68939416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 160130880

約数和(自身を除く): 91191464

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 281, 337, 364, 562, 674, 728, 1124, 1348, 1967, 2248, 2359, 2696, 3653, 3934, 4381, 4718, 7306, 7868, 8762, 9436, 14612, 15736, 17524, 18872, 25571, 29224, 30667, 35048, 51142, 61334, 94697, 102284, 122668, 189394, 204568, 245336, 378788, 662879, 757576, 1231061, 1325758, 2462122, 2651516, 4924244, 5303032, 8617427, 9848488, 17234854, 34469708, 68939416]

約数ペア:

[(1, 68939416), (2, 34469708), (4, 17234854), (7, 9848488), (8, 8617427), (13, 5303032), (14, 4924244), (26, 2651516), (28, 2462122), (52, 1325758), (56, 1231061), (91, 757576), (104, 662879), (182, 378788), (281, 245336), (337, 204568), (364, 189394), (562, 122668), (674, 102284), (728, 94697), (1124, 61334), (1348, 51142), (1967, 35048), (2248, 30667), (2359, 29224), (2696, 25571), (3653, 18872), (3934, 17524), (4381, 15736), (4718, 14612), (7306, 9436), (7868, 8762)]