255184

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 507780

約数和(自身を除く): 252596

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 389, 656, 778, 1556, 3112, 6224, 15949, 31898, 63796, 127592, 255184]

約数ペア:

[(1, 255184), (2, 127592), (4, 63796), (8, 31898), (16, 15949), (41, 6224), (82, 3112), (164, 1556), (328, 778), (389, 656)]