15854358

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 36368640

約数和(自身を除く): 20514282

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 43, 58, 78, 86, 87, 129, 163, 174, 258, 326, 377, 489, 559, 754, 978, 1118, 1131, 1247, 1677, 2119, 2262, 2494, 3354, 3741, 4238, 4727, 6357, 7009, 7482, 9454, 12714, 14018, 14181, 16211, 21027, 28362, 32422, 42054, 48633, 61451, 91117, 97266, 122902, 182234, 184353, 203261, 273351, 368706, 406522, 546702, 609783, 1219566, 2642393, 5284786, 7927179, 15854358]

約数ペア:

[(1, 15854358), (2, 7927179), (3, 5284786), (6, 2642393), (13, 1219566), (26, 609783), (29, 546702), (39, 406522), (43, 368706), (58, 273351), (78, 203261), (86, 184353), (87, 182234), (129, 122902), (163, 97266), (174, 91117), (258, 61451), (326, 48633), (377, 42054), (489, 32422), (559, 28362), (754, 21027), (978, 16211), (1118, 14181), (1131, 14018), (1247, 12714), (1677, 9454), (2119, 7482), (2262, 7009), (2494, 6357), (3354, 4727), (3741, 4238)]