12961565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4972

約数の個数: 16

約数和(自身を含む): 17003520

約数和(自身を除く): 4041955

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 4919, 24595, 83623, 152489, 418115, 762445, 2592313, 12961565]

約数ペア:

[(1, 12961565), (5, 2592313), (17, 762445), (31, 418115), (85, 152489), (155, 83623), (527, 24595), (2635, 4919)]