261639158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^2$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 462801600

約数和(自身を除く): 201162442

約数列:

[1, 2, 11, 19, 22, 38, 59, 103, 118, 206, 209, 418, 649, 1121, 1133, 1298, 1957, 2242, 2266, 3914, 6077, 10609, 12154, 12331, 21218, 21527, 24662, 43054, 66847, 115463, 116699, 133694, 201571, 230926, 233398, 403142, 625931, 1251862, 1270093, 2217281, 2540186, 4434562, 6885241, 11892689, 13770482, 23785378, 130819579, 261639158]

約数ペア:

[(1, 261639158), (2, 130819579), (11, 23785378), (19, 13770482), (22, 11892689), (38, 6885241), (59, 4434562), (103, 2540186), (118, 2217281), (206, 1270093), (209, 1251862), (418, 625931), (649, 403142), (1121, 233398), (1133, 230926), (1298, 201571), (1957, 133694), (2242, 116699), (2266, 115463), (3914, 66847), (6077, 43054), (10609, 24662), (12154, 21527), (12331, 21218)]