257609908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{56543}}^1$

素因数の和:56631

約数の個数: 24

約数和(自身を含む): 484468992

約数和(自身を除く): 226859084

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 56543, 113086, 226172, 961231, 1922462, 3788381, 3844924, 7576762, 15153524, 64402477, 128804954, 257609908]

約数ペア:

[(1, 257609908), (2, 128804954), (4, 64402477), (17, 15153524), (34, 7576762), (67, 3844924), (68, 3788381), (134, 1922462), (268, 961231), (1139, 226172), (2278, 113086), (4556, 56543)]