389617072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1873159}}^1$

素因数の和:1873180

約数の個数: 20

約数和(自身を含む): 812951440

約数和(自身を除く): 423334368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1873159, 3746318, 7492636, 14985272, 24351067, 29970544, 48702134, 97404268, 194808536, 389617072]

約数ペア:

[(1, 389617072), (2, 194808536), (4, 97404268), (8, 48702134), (13, 29970544), (16, 24351067), (26, 14985272), (52, 7492636), (104, 3746318), (208, 1873159)]