91890008

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 202176000

約数和(自身を除く): 110285992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 103, 178, 179, 206, 356, 358, 412, 623, 712, 716, 721, 824, 1246, 1253, 1432, 1442, 2492, 2506, 2884, 4984, 5012, 5768, 9167, 10024, 15931, 18334, 18437, 31862, 36668, 36874, 63724, 64169, 73336, 73748, 111517, 127448, 128338, 129059, 147496, 223034, 256676, 258118, 446068, 513352, 516236, 892136, 1032472, 1640893, 3281786, 6563572, 11486251, 13127144, 22972502, 45945004, 91890008]

約数ペア:

[(1, 91890008), (2, 45945004), (4, 22972502), (7, 13127144), (8, 11486251), (14, 6563572), (28, 3281786), (56, 1640893), (89, 1032472), (103, 892136), (178, 516236), (179, 513352), (206, 446068), (356, 258118), (358, 256676), (412, 223034), (623, 147496), (712, 129059), (716, 128338), (721, 127448), (824, 111517), (1246, 73748), (1253, 73336), (1432, 64169), (1442, 63724), (2492, 36874), (2506, 36668), (2884, 31862), (4984, 18437), (5012, 18334), (5768, 15931), (9167, 10024)]