28939210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{22091}}^1$

素因数の和:22229

約数の個数: 16

約数和(自身を含む): 52490592

約数和(自身を除く): 23551382

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 22091, 44182, 110455, 220910, 2893921, 5787842, 14469605, 28939210]

約数ペア:

[(1, 28939210), (2, 14469605), (5, 5787842), (10, 2893921), (131, 220910), (262, 110455), (655, 44182), (1310, 22091)]