1215691394

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1\times {\mathrm{7583}}^1$

素因数の和:8785

約数の個数: 16

約数和(自身を含む): 1851102720

約数和(自身を除く): 635411326

約数列:

[1, 2, 71, 142, 1129, 2258, 7583, 15166, 80159, 160318, 538393, 1076786, 8561207, 17122414, 607845697, 1215691394]

約数ペア:

[(1, 1215691394), (2, 607845697), (71, 17122414), (142, 8561207), (1129, 1076786), (2258, 538393), (7583, 160318), (15166, 80159)]