257697796

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{65141}}^1$

素因数の和:65211

約数の個数: 24

約数和(自身を含む): 481529664

約数和(自身を除く): 223831868

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 65141, 130282, 260564, 1498243, 2801063, 2996486, 5602126, 5992972, 11204252, 64424449, 128848898, 257697796]

約数ペア:

[(1, 257697796), (2, 128848898), (4, 64424449), (23, 11204252), (43, 5992972), (46, 5602126), (86, 2996486), (92, 2801063), (172, 1498243), (989, 260564), (1978, 130282), (3956, 65141)]