28210990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{165947}}^1$

素因数の和:165971

約数の個数: 16

約数和(自身を含む): 53767152

約数和(自身を除く): 25556162

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 165947, 331894, 829735, 1659470, 2821099, 5642198, 14105495, 28210990]

約数ペア:

[(1, 28210990), (2, 14105495), (5, 5642198), (10, 2821099), (17, 1659470), (34, 829735), (85, 331894), (170, 165947)]