697644490

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1\times {\mathrm{769}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 1265861520

約数和(自身を除く): 568217030

約数列:

[1, 2, 5, 10, 257, 353, 514, 706, 769, 1285, 1538, 1765, 2570, 3530, 3845, 7690, 90721, 181442, 197633, 271457, 395266, 453605, 542914, 907210, 988165, 1357285, 1976330, 2714570, 69764449, 139528898, 348822245, 697644490]

約数ペア:

[(1, 697644490), (2, 348822245), (5, 139528898), (10, 69764449), (257, 2714570), (353, 1976330), (514, 1357285), (706, 988165), (769, 907210), (1285, 542914), (1538, 453605), (1765, 395266), (2570, 271457), (3530, 197633), (3845, 181442), (7690, 90721)]