12912730

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1303}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 23284224

約数和(自身を除く): 10371494

約数列:

[1, 2, 5, 10, 991, 1303, 1982, 2606, 4955, 6515, 9910, 13030, 1291273, 2582546, 6456365, 12912730]

約数ペア:

[(1, 12912730), (2, 6456365), (5, 2582546), (10, 1291273), (991, 13030), (1303, 9910), (1982, 6515), (2606, 4955)]