638982110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{6761}}^1$

素因数の和:7508

約数の個数: 32

約数和(自身を含む): 1240529472

約数和(自身を除く): 601547362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 727, 1454, 3635, 6761, 7270, 9451, 13522, 18902, 33805, 47255, 67610, 87893, 94510, 175786, 439465, 878930, 4915247, 9830494, 24576235, 49152470, 63898211, 127796422, 319491055, 638982110]

約数ペア:

[(1, 638982110), (2, 319491055), (5, 127796422), (10, 63898211), (13, 49152470), (26, 24576235), (65, 9830494), (130, 4915247), (727, 878930), (1454, 439465), (3635, 175786), (6761, 94510), (7270, 87893), (9451, 67610), (13522, 47255), (18902, 33805)]