87999996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 241920000

約数和(自身を除く): 153920004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 89, 149, 158, 178, 237, 267, 298, 316, 356, 447, 474, 534, 553, 596, 623, 894, 948, 1043, 1068, 1106, 1246, 1659, 1788, 1869, 2086, 2212, 2492, 3129, 3318, 3738, 4172, 6258, 6636, 7031, 7476, 11771, 12516, 13261, 14062, 21093, 23542, 26522, 28124, 35313, 39783, 42186, 47084, 49217, 53044, 70626, 79566, 82397, 84372, 92827, 98434, 141252, 147651, 159132, 164794, 185654, 196868, 247191, 278481, 295302, 329588, 371308, 494382, 556962, 590604, 988764, 1047619, 1113924, 2095238, 3142857, 4190476, 6285714, 7333333, 12571428, 14666666, 21999999, 29333332, 43999998, 87999996]

約数ペア:

[(1, 87999996), (2, 43999998), (3, 29333332), (4, 21999999), (6, 14666666), (7, 12571428), (12, 7333333), (14, 6285714), (21, 4190476), (28, 3142857), (42, 2095238), (79, 1113924), (84, 1047619), (89, 988764), (149, 590604), (158, 556962), (178, 494382), (237, 371308), (267, 329588), (298, 295302), (316, 278481), (356, 247191), (447, 196868), (474, 185654), (534, 164794), (553, 159132), (596, 147651), (623, 141252), (894, 98434), (948, 92827), (1043, 84372), (1068, 82397), (1106, 79566), (1246, 70626), (1659, 53044), (1788, 49217), (1869, 47084), (2086, 42186), (2212, 39783), (2492, 35313), (3129, 28124), (3318, 26522), (3738, 23542), (4172, 21093), (6258, 14062), (6636, 13261), (7031, 12516), (7476, 11771)]