30511895

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 37765440

約数和(自身を除く): 7253545

約数列:

[1, 5, 61, 71, 305, 355, 1409, 4331, 7045, 21655, 85949, 100039, 429745, 500195, 6102379, 30511895]

約数ペア:

[(1, 30511895), (5, 6102379), (61, 500195), (71, 429745), (305, 100039), (355, 85949), (1409, 21655), (4331, 7045)]