257295116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{35597}}^1$

素因数の和:35753

約数の個数: 24

約数和(自身を含む): 488404560

約数和(自身を除く): 231109444

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 35597, 71194, 142388, 462761, 925522, 1851044, 4947983, 9895966, 19791932, 64323779, 128647558, 257295116]

約数ペア:

[(1, 257295116), (2, 128647558), (4, 64323779), (13, 19791932), (26, 9895966), (52, 4947983), (139, 1851044), (278, 925522), (556, 462761), (1807, 142388), (3614, 71194), (7228, 35597)]