256390351

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{2377}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 308949760

約数和(自身を除く): 52559409

約数列:

[1, 7, 19, 133, 811, 2377, 5677, 15409, 16639, 45163, 107863, 316141, 1927747, 13494229, 36627193, 256390351]

約数ペア:

[(1, 256390351), (7, 36627193), (19, 13494229), (133, 1927747), (811, 316141), (2377, 107863), (5677, 45163), (15409, 16639)]