201961604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 388926720

約数和(自身を除く): 186965116

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 211, 233, 316, 422, 466, 844, 932, 1027, 2054, 2743, 3029, 4108, 5486, 6058, 10972, 12116, 16669, 18407, 33338, 36814, 49163, 66676, 73628, 98326, 196652, 216697, 239291, 433394, 478582, 639119, 866788, 957164, 1278238, 2556476, 3883877, 7767754, 15535508, 50490401, 100980802, 201961604]

約数ペア:

[(1, 201961604), (2, 100980802), (4, 50490401), (13, 15535508), (26, 7767754), (52, 3883877), (79, 2556476), (158, 1278238), (211, 957164), (233, 866788), (316, 639119), (422, 478582), (466, 433394), (844, 239291), (932, 216697), (1027, 196652), (2054, 98326), (2743, 73628), (3029, 66676), (4108, 49163), (5486, 36814), (6058, 33338), (10972, 18407), (12116, 16669)]