81140852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 158597712

約数和(自身を除く): 77456860

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 181, 233, 362, 466, 481, 724, 932, 962, 1924, 2353, 3029, 4706, 6058, 6697, 8621, 9412, 12116, 13394, 17242, 26788, 34484, 42173, 84346, 87061, 112073, 168692, 174122, 224146, 348244, 448292, 548249, 1096498, 1560401, 2192996, 3120802, 6241604, 20285213, 40570426, 81140852]

約数ペア:

[(1, 81140852), (2, 40570426), (4, 20285213), (13, 6241604), (26, 3120802), (37, 2192996), (52, 1560401), (74, 1096498), (148, 548249), (181, 448292), (233, 348244), (362, 224146), (466, 174122), (481, 168692), (724, 112073), (932, 87061), (962, 84346), (1924, 42173), (2353, 34484), (3029, 26788), (4706, 17242), (6058, 13394), (6697, 12116), (8621, 9412)]