31744927825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{70423}}^1$

素因数の和:70538

約数の個数: 48

約数和(自身を含む): 45234743680

約数和(自身を除く): 13489815855

約数列:

[1, 5, 13, 19, 25, 65, 73, 95, 247, 325, 365, 475, 949, 1235, 1387, 1825, 4745, 6175, 6935, 18031, 23725, 34675, 70423, 90155, 352115, 450775, 915499, 1338037, 1760575, 4577495, 5140879, 6690185, 17394481, 22887475, 25704395, 33450925, 66831427, 86972405, 97676701, 128521975, 334157135, 434862025, 488383505, 1269797113, 1670785675, 2441917525, 6348985565, 31744927825]

約数ペア:

[(1, 31744927825), (5, 6348985565), (13, 2441917525), (19, 1670785675), (25, 1269797113), (65, 488383505), (73, 434862025), (95, 334157135), (247, 128521975), (325, 97676701), (365, 86972405), (475, 66831427), (949, 33450925), (1235, 25704395), (1387, 22887475), (1825, 17394481), (4745, 6690185), (6175, 5140879), (6935, 4577495), (18031, 1760575), (23725, 1338037), (34675, 915499), (70423, 450775), (90155, 352115)]