31128812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{54421}}^1$

素因数の和:54449

約数の個数: 24

約数和(自身を含む): 64000272

約数和(自身を除く): 32871460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 54421, 108842, 217684, 598631, 707473, 1197262, 1414946, 2394524, 2829892, 7782203, 15564406, 31128812]

約数ペア:

[(1, 31128812), (2, 15564406), (4, 7782203), (11, 2829892), (13, 2394524), (22, 1414946), (26, 1197262), (44, 707473), (52, 598631), (143, 217684), (286, 108842), (572, 54421)]