2990105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 3760128

約数和(自身を除く): 770023

約数列:

[1, 5, 31, 101, 155, 191, 505, 955, 3131, 5921, 15655, 19291, 29605, 96455, 598021, 2990105]

約数ペア:

[(1, 2990105), (5, 598021), (31, 96455), (101, 29605), (155, 19291), (191, 15655), (505, 5921), (955, 3131)]