81908510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{264221}}^1$

素因数の和:264259

約数の個数: 16

約数和(自身を含む): 152191872

約数和(自身を除く): 70283362

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 264221, 528442, 1321105, 2642210, 8190851, 16381702, 40954255, 81908510]

約数ペア:

[(1, 81908510), (2, 40954255), (5, 16381702), (10, 8190851), (31, 2642210), (62, 1321105), (155, 528442), (310, 264221)]