257717106242

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1\times {\mathrm{21491}}^1$

素因数の和:22394

約数の個数: 32

約数和(自身を含む): 397465138944

約数和(自身を除く): 139748032702

約数列:

[1, 2, 47, 94, 193, 386, 661, 1322, 9071, 18142, 21491, 31067, 42982, 62134, 127573, 255146, 1010077, 2020154, 4147763, 5995931, 8295526, 11991862, 14205551, 28411102, 194944861, 389889722, 667660897, 1335321794, 2741671343, 5483342686, 128858553121, 257717106242]

約数ペア:

[(1, 257717106242), (2, 128858553121), (47, 5483342686), (94, 2741671343), (193, 1335321794), (386, 667660897), (661, 389889722), (1322, 194944861), (9071, 28411102), (18142, 14205551), (21491, 11991862), (31067, 8295526), (42982, 5995931), (62134, 4147763), (127573, 2020154), (255146, 1010077)]