69021290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{40841}}^1$

素因数の和:40874

約数の個数: 24

約数和(自身を含む): 134533548

約数和(自身を除く): 65512258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 40841, 81682, 204205, 408410, 530933, 1061866, 2654665, 5309330, 6902129, 13804258, 34510645, 69021290]

約数ペア:

[(1, 69021290), (2, 34510645), (5, 13804258), (10, 6902129), (13, 5309330), (26, 2654665), (65, 1061866), (130, 530933), (169, 408410), (338, 204205), (845, 81682), (1690, 40841)]