72457468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2531}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 134631504

約数和(自身を除く): 62174036

約数列:

[1, 2, 4, 17, 34, 68, 421, 842, 1684, 2531, 5062, 7157, 10124, 14314, 28628, 43027, 86054, 172108, 1065551, 2131102, 4262204, 18114367, 36228734, 72457468]

約数ペア:

[(1, 72457468), (2, 36228734), (4, 18114367), (17, 4262204), (34, 2131102), (68, 1065551), (421, 172108), (842, 86054), (1684, 43027), (2531, 28628), (5062, 14314), (7157, 10124)]