72051905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2687}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 89800704

約数和(自身を除く): 17748799

約数列:

[1, 5, 31, 155, 173, 865, 2687, 5363, 13435, 26815, 83297, 416485, 464851, 2324255, 14410381, 72051905]

約数ペア:

[(1, 72051905), (5, 14410381), (31, 2324255), (155, 464851), (173, 416485), (865, 83297), (2687, 26815), (5363, 13435)]