81118655

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 102345984

約数和(自身を除く): 21227329

約数列:

[1, 5, 29, 101, 145, 191, 505, 841, 955, 2929, 4205, 5539, 14645, 19291, 27695, 84941, 96455, 160631, 424705, 559439, 803155, 2797195, 16223731, 81118655]

約数ペア:

[(1, 81118655), (5, 16223731), (29, 2797195), (101, 803155), (145, 559439), (191, 424705), (505, 160631), (841, 96455), (955, 84941), (2929, 27695), (4205, 19291), (5539, 14645)]