28821412

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 51430400

約数和(自身を除く): 22608988

約数列:

[1, 2, 4, 79, 158, 223, 316, 409, 446, 818, 892, 1636, 17617, 32311, 35234, 64622, 70468, 91207, 129244, 182414, 364828, 7205353, 14410706, 28821412]

約数ペア:

[(1, 28821412), (2, 14410706), (4, 7205353), (79, 364828), (158, 182414), (223, 129244), (316, 91207), (409, 70468), (446, 64622), (818, 35234), (892, 32311), (1636, 17617)]