665468

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 1230768

約数和(自身を除く): 565300

約数列:

[1, 2, 4, 43, 53, 73, 86, 106, 146, 172, 212, 292, 2279, 3139, 3869, 4558, 6278, 7738, 9116, 12556, 15476, 166367, 332734, 665468]

約数ペア:

[(1, 665468), (2, 332734), (4, 166367), (43, 15476), (53, 12556), (73, 9116), (86, 7738), (106, 6278), (146, 4558), (172, 3869), (212, 3139), (292, 2279)]