644125248

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^3\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 168

約数和(自身を含む): 2003983800

約数和(自身を除く): 1359858552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 169, 192, 208, 234, 288, 312, 338, 416, 468, 507, 509, 576, 624, 676, 832, 936, 1014, 1018, 1248, 1352, 1521, 1527, 1872, 2028, 2036, 2197, 2496, 2704, 3042, 3054, 3744, 4056, 4072, 4394, 4581, 5408, 6084, 6108, 6591, 6617, 7488, 8112, 8144, 8788, 9162, 10816, 12168, 12216, 13182, 13234, 16224, 16288, 17576, 18324, 19773, 19851, 24336, 24432, 26364, 26468, 32448, 32576, 35152, 36648, 39546, 39702, 48672, 48864, 52728, 52936, 59553, 70304, 73296, 79092, 79404, 86021, 97344, 97728, 105456, 105872, 119106, 140608, 146592, 158184, 158808, 172042, 210912, 211744, 238212, 258063, 293184, 316368, 317616, 344084, 421824, 423488, 476424, 516126, 632736, 635232, 688168, 774189, 952848, 1032252, 1118273, 1265472, 1270464, 1376336, 1548378, 1905696, 2064504, 2236546, 2752672, 3096756, 3354819, 3811392, 4129008, 4473092, 5505344, 6193512, 6709638, 8258016, 8946184, 10064457, 12387024, 13419276, 16516032, 17892368, 20128914, 24774048, 26838552, 35784736, 40257828, 49548096, 53677104, 71569472, 80515656, 107354208, 161031312, 214708416, 322062624, 644125248]

約数ペア:

[(1, 644125248), (2, 322062624), (3, 214708416), (4, 161031312), (6, 107354208), (8, 80515656), (9, 71569472), (12, 53677104), (13, 49548096), (16, 40257828), (18, 35784736), (24, 26838552), (26, 24774048), (32, 20128914), (36, 17892368), (39, 16516032), (48, 13419276), (52, 12387024), (64, 10064457), (72, 8946184), (78, 8258016), (96, 6709638), (104, 6193512), (117, 5505344), (144, 4473092), (156, 4129008), (169, 3811392), (192, 3354819), (208, 3096756), (234, 2752672), (288, 2236546), (312, 2064504), (338, 1905696), (416, 1548378), (468, 1376336), (507, 1270464), (509, 1265472), (576, 1118273), (624, 1032252), (676, 952848), (832, 774189), (936, 688168), (1014, 635232), (1018, 632736), (1248, 516126), (1352, 476424), (1521, 423488), (1527, 421824), (1872, 344084), (2028, 317616), (2036, 316368), (2197, 293184), (2496, 258063), (2704, 238212), (3042, 211744), (3054, 210912), (3744, 172042), (4056, 158808), (4072, 158184), (4394, 146592), (4581, 140608), (5408, 119106), (6084, 105872), (6108, 105456), (6591, 97728), (6617, 97344), (7488, 86021), (8112, 79404), (8144, 79092), (8788, 73296), (9162, 70304), (10816, 59553), (12168, 52936), (12216, 52728), (13182, 48864), (13234, 48672), (16224, 39702), (16288, 39546), (17576, 36648), (18324, 35152), (19773, 32576), (19851, 32448), (24336, 26468), (24432, 26364)]