28808990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411557}}^1$

素因数の和:411571

約数の個数: 16

約数和(自身を含む): 59264352

約数和(自身を除く): 30455362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411557, 823114, 2057785, 2880899, 4115570, 5761798, 14404495, 28808990]

約数ペア:

[(1, 28808990), (2, 14404495), (5, 5761798), (7, 4115570), (10, 2880899), (14, 2057785), (35, 823114), (70, 411557)]