82814395

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 106452864

約数和(自身を除く): 23638469

約数列:

[1, 5, 17, 85, 223, 257, 289, 1115, 1285, 1445, 3791, 4369, 18955, 21845, 57311, 64447, 74273, 286555, 322235, 371365, 974287, 4871435, 16562879, 82814395]

約数ペア:

[(1, 82814395), (5, 16562879), (17, 4871435), (85, 974287), (223, 371365), (257, 322235), (289, 286555), (1115, 74273), (1285, 64447), (1445, 57311), (3791, 21845), (4369, 18955)]