13405609

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 15953920

約数和(自身を除く): 2548311

約数列:

[1, 7, 31, 163, 217, 379, 1141, 2653, 5053, 11749, 35371, 61777, 82243, 432439, 1915087, 13405609]

約数ペア:

[(1, 13405609), (7, 1915087), (31, 432439), (163, 82243), (217, 61777), (379, 35371), (1141, 11749), (2653, 5053)]