28440167

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10391}}^1$

素因数の和:10438

約数の個数: 16

約数和(自身を含む): 35914752

約数和(自身を除く): 7474585

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 10391, 72737, 176647, 238993, 1236529, 1672951, 4062881, 28440167]

約数ペア:

[(1, 28440167), (7, 4062881), (17, 1672951), (23, 1236529), (119, 238993), (161, 176647), (391, 72737), (2737, 10391)]