257375026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{15289}}^1$

素因数の和:15753

約数の個数: 16

約数和(自身を含む): 407325600

約数和(自身を除く): 149950574

約数列:

[1, 2, 19, 38, 443, 886, 8417, 15289, 16834, 30578, 290491, 580982, 6773027, 13546054, 128687513, 257375026]

約数ペア:

[(1, 257375026), (2, 128687513), (19, 13546054), (38, 6773027), (443, 580982), (886, 290491), (8417, 30578), (15289, 16834)]