638429376

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 224

約数和(自身を含む): 1937195008

約数和(自身を除く): 1298765632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 37, 39, 48, 52, 62, 64, 74, 78, 93, 96, 104, 111, 124, 148, 156, 186, 192, 208, 222, 223, 248, 296, 312, 372, 403, 416, 444, 446, 481, 496, 592, 624, 669, 744, 806, 832, 888, 892, 962, 992, 1147, 1184, 1209, 1248, 1338, 1443, 1488, 1612, 1776, 1784, 1924, 1984, 2294, 2368, 2418, 2496, 2676, 2886, 2899, 2976, 3224, 3441, 3552, 3568, 3848, 4588, 4836, 5352, 5772, 5798, 5952, 6448, 6882, 6913, 7104, 7136, 7696, 8251, 8697, 9176, 9672, 10704, 11544, 11596, 12896, 13764, 13826, 14272, 14911, 15392, 16502, 17394, 18352, 19344, 20739, 21408, 23088, 23192, 24753, 25792, 27528, 27652, 29822, 30784, 33004, 34788, 36704, 38688, 41478, 42816, 44733, 46176, 46384, 49506, 55056, 55304, 59644, 66008, 69576, 73408, 77376, 82956, 89466, 89869, 92352, 92768, 99012, 107263, 110112, 110608, 119288, 132016, 139152, 165912, 178932, 179738, 185536, 198024, 214526, 220224, 221216, 238576, 255781, 264032, 269607, 278304, 321789, 331824, 357864, 359476, 396048, 429052, 442432, 477152, 511562, 528064, 539214, 556608, 643578, 663648, 715728, 718952, 767343, 792096, 858104, 954304, 1023124, 1078428, 1287156, 1327296, 1431456, 1437904, 1534686, 1584192, 1716208, 2046248, 2156856, 2574312, 2862912, 2875808, 3069372, 3325153, 3432416, 4092496, 4313712, 5148624, 5751616, 6138744, 6650306, 6864832, 8184992, 8627424, 9975459, 10297248, 12277488, 13300612, 16369984, 17254848, 19950918, 20594496, 24554976, 26601224, 39901836, 49109952, 53202448, 79803672, 106404896, 159607344, 212809792, 319214688, 638429376]

約数ペア:

[(1, 638429376), (2, 319214688), (3, 212809792), (4, 159607344), (6, 106404896), (8, 79803672), (12, 53202448), (13, 49109952), (16, 39901836), (24, 26601224), (26, 24554976), (31, 20594496), (32, 19950918), (37, 17254848), (39, 16369984), (48, 13300612), (52, 12277488), (62, 10297248), (64, 9975459), (74, 8627424), (78, 8184992), (93, 6864832), (96, 6650306), (104, 6138744), (111, 5751616), (124, 5148624), (148, 4313712), (156, 4092496), (186, 3432416), (192, 3325153), (208, 3069372), (222, 2875808), (223, 2862912), (248, 2574312), (296, 2156856), (312, 2046248), (372, 1716208), (403, 1584192), (416, 1534686), (444, 1437904), (446, 1431456), (481, 1327296), (496, 1287156), (592, 1078428), (624, 1023124), (669, 954304), (744, 858104), (806, 792096), (832, 767343), (888, 718952), (892, 715728), (962, 663648), (992, 643578), (1147, 556608), (1184, 539214), (1209, 528064), (1248, 511562), (1338, 477152), (1443, 442432), (1488, 429052), (1612, 396048), (1776, 359476), (1784, 357864), (1924, 331824), (1984, 321789), (2294, 278304), (2368, 269607), (2418, 264032), (2496, 255781), (2676, 238576), (2886, 221216), (2899, 220224), (2976, 214526), (3224, 198024), (3441, 185536), (3552, 179738), (3568, 178932), (3848, 165912), (4588, 139152), (4836, 132016), (5352, 119288), (5772, 110608), (5798, 110112), (5952, 107263), (6448, 99012), (6882, 92768), (6913, 92352), (7104, 89869), (7136, 89466), (7696, 82956), (8251, 77376), (8697, 73408), (9176, 69576), (9672, 66008), (10704, 59644), (11544, 55304), (11596, 55056), (12896, 49506), (13764, 46384), (13826, 46176), (14272, 44733), (14911, 42816), (15392, 41478), (16502, 38688), (17394, 36704), (18352, 34788), (19344, 33004), (20739, 30784), (21408, 29822), (23088, 27652), (23192, 27528), (24753, 25792)]