64905790

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{19609}}^1$

素因数の和:19947

約数の個数: 16

約数和(自身を含む): 117189360

約数和(自身を除く): 52283570

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 19609, 39218, 98045, 196090, 6490579, 12981158, 32452895, 64905790]

約数ペア:

[(1, 64905790), (2, 32452895), (5, 12981158), (10, 6490579), (331, 196090), (662, 98045), (1655, 39218), (3310, 19609)]