31294345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 39168000

約数和(自身を除く): 7873655

約数列:

[1, 5, 31, 101, 155, 505, 1999, 3131, 9995, 15655, 61969, 201899, 309845, 1009495, 6258869, 31294345]

約数ペア:

[(1, 31294345), (5, 6258869), (31, 1009495), (101, 309845), (155, 201899), (505, 61969), (1999, 15655), (3131, 9995)]