2563900521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{1297}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 4241407104

約数和(自身を除く): 1677506583

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 557, 1183, 1297, 1671, 3549, 3891, 3899, 7241, 9079, 11697, 16861, 21723, 27237, 50583, 50687, 94133, 118027, 152061, 219193, 282399, 354081, 657579, 658931, 722429, 1534351, 1976793, 2167287, 4603053, 5057003, 9391577, 15171009, 28174731, 65741039, 122090501, 197223117, 366271503, 854633507, 2563900521]

約数ペア:

[(1, 2563900521), (3, 854633507), (7, 366271503), (13, 197223117), (21, 122090501), (39, 65741039), (91, 28174731), (169, 15171009), (273, 9391577), (507, 5057003), (557, 4603053), (1183, 2167287), (1297, 1976793), (1671, 1534351), (3549, 722429), (3891, 658931), (3899, 657579), (7241, 354081), (9079, 282399), (11697, 219193), (16861, 152061), (21723, 118027), (27237, 94133), (50583, 50687)]