257173682

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{72689}}^1$

素因数の和:72781

約数の個数: 16

約数和(自身を含む): 405610200

約数和(自身を除く): 148436518

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 72689, 145378, 2107981, 4215962, 4434029, 8868058, 128586841, 257173682]

約数ペア:

[(1, 257173682), (2, 128586841), (29, 8868058), (58, 4434029), (61, 4215962), (122, 2107981), (1769, 145378), (3538, 72689)]