79143790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1709}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 155869920

約数和(自身を除く): 76726130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 1709, 2105, 3418, 4210, 4631, 8545, 9262, 17090, 18799, 23155, 37598, 46310, 93995, 187990, 719489, 1438978, 3597445, 7194890, 7914379, 15828758, 39571895, 79143790]

約数ペア:

[(1, 79143790), (2, 39571895), (5, 15828758), (10, 7914379), (11, 7194890), (22, 3597445), (55, 1438978), (110, 719489), (421, 187990), (842, 93995), (1709, 46310), (2105, 37598), (3418, 23155), (4210, 18799), (4631, 17090), (8545, 9262)]