217157030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{944161}}^1$

素因数の和:944191

約数の個数: 16

約数和(自身を含む): 407877984

約数和(自身を除く): 190720954

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 944161, 1888322, 4720805, 9441610, 21715703, 43431406, 108578515, 217157030]

約数ペア:

[(1, 217157030), (2, 108578515), (5, 43431406), (10, 21715703), (23, 9441610), (46, 4720805), (115, 1888322), (230, 944161)]