39989404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 87591616

約数和(自身を除く): 47602212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 182, 244, 364, 427, 793, 854, 1586, 1708, 1801, 3172, 3602, 5551, 7204, 11102, 12607, 22204, 23413, 25214, 46826, 50428, 93652, 109861, 163891, 219722, 327782, 439444, 655564, 769027, 1428193, 1538054, 2856386, 3076108, 5712772, 9997351, 19994702, 39989404]

約数ペア:

[(1, 39989404), (2, 19994702), (4, 9997351), (7, 5712772), (13, 3076108), (14, 2856386), (26, 1538054), (28, 1428193), (52, 769027), (61, 655564), (91, 439444), (122, 327782), (182, 219722), (244, 163891), (364, 109861), (427, 93652), (793, 50428), (854, 46826), (1586, 25214), (1708, 23413), (1801, 22204), (3172, 12607), (3602, 11102), (5551, 7204)]