678644512

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 1692222840

約数和(自身を除く): 1013578328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 169, 182, 196, 197, 208, 224, 338, 364, 392, 394, 416, 637, 676, 728, 784, 788, 1183, 1274, 1352, 1379, 1456, 1568, 1576, 2197, 2366, 2548, 2561, 2704, 2758, 2912, 3152, 4394, 4732, 5096, 5122, 5408, 5516, 6304, 8281, 8788, 9464, 9653, 10192, 10244, 11032, 15379, 16562, 17576, 17927, 18928, 19306, 20384, 20488, 22064, 30758, 33124, 33293, 35152, 35854, 37856, 38612, 40976, 44128, 61516, 66248, 66586, 70304, 71708, 77224, 81952, 107653, 123032, 125489, 132496, 133172, 143416, 154448, 215306, 233051, 246064, 250978, 264992, 266344, 286832, 308896, 430612, 432809, 466102, 492128, 501956, 532688, 573664, 861224, 865618, 932204, 1003912, 1065376, 1631357, 1722448, 1731236, 1864408, 2007824, 3029663, 3262714, 3444896, 3462472, 3728816, 4015648, 6059326, 6525428, 6924944, 7457632, 12118652, 13050856, 13849888, 21207641, 24237304, 26101712, 42415282, 48474608, 52203424, 84830564, 96949216, 169661128, 339322256, 678644512]

約数ペア:

[(1, 678644512), (2, 339322256), (4, 169661128), (7, 96949216), (8, 84830564), (13, 52203424), (14, 48474608), (16, 42415282), (26, 26101712), (28, 24237304), (32, 21207641), (49, 13849888), (52, 13050856), (56, 12118652), (91, 7457632), (98, 6924944), (104, 6525428), (112, 6059326), (169, 4015648), (182, 3728816), (196, 3462472), (197, 3444896), (208, 3262714), (224, 3029663), (338, 2007824), (364, 1864408), (392, 1731236), (394, 1722448), (416, 1631357), (637, 1065376), (676, 1003912), (728, 932204), (784, 865618), (788, 861224), (1183, 573664), (1274, 532688), (1352, 501956), (1379, 492128), (1456, 466102), (1568, 432809), (1576, 430612), (2197, 308896), (2366, 286832), (2548, 266344), (2561, 264992), (2704, 250978), (2758, 246064), (2912, 233051), (3152, 215306), (4394, 154448), (4732, 143416), (5096, 133172), (5122, 132496), (5408, 125489), (5516, 123032), (6304, 107653), (8281, 81952), (8788, 77224), (9464, 71708), (9653, 70304), (10192, 66586), (10244, 66248), (11032, 61516), (15379, 44128), (16562, 40976), (17576, 38612), (17927, 37856), (18928, 35854), (19306, 35152), (20384, 33293), (20488, 33124), (22064, 30758)]