15678611728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{75377941}}^1$

素因数の和:75377962

約数の個数: 20

約数和(自身を含む): 32714026828

約数和(自身を除く): 17035415100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 75377941, 150755882, 301511764, 603023528, 979913233, 1206047056, 1959826466, 3919652932, 7839305864, 15678611728]

約数ペア:

[(1, 15678611728), (2, 7839305864), (4, 3919652932), (8, 1959826466), (13, 1206047056), (16, 979913233), (26, 603023528), (52, 301511764), (104, 150755882), (208, 75377941)]