257660615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{27961}}^1$

素因数の和:28082

約数の個数: 16

約数和(自身を含む): 328833120

約数和(自身を除く): 71172505

約数列:

[1, 5, 19, 95, 97, 485, 1843, 9215, 27961, 139805, 531259, 2656295, 2712217, 13561085, 51532123, 257660615]

約数ペア:

[(1, 257660615), (5, 51532123), (19, 13561085), (95, 2712217), (97, 2656295), (485, 531259), (1843, 139805), (9215, 27961)]