71889881

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4421}}^1$

素因数の和:4552

約数の個数: 16

約数和(自身を含む): 86600448

約数和(自身を除く): 14710567

約数列:

[1, 7, 23, 101, 161, 707, 2323, 4421, 16261, 30947, 101683, 446521, 711781, 3125647, 10269983, 71889881]

約数ペア:

[(1, 71889881), (7, 10269983), (23, 3125647), (101, 711781), (161, 446521), (707, 101683), (2323, 30947), (4421, 16261)]