64721105

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 78796800

約数和(自身を除く): 14075695

約数列:

[1, 5, 127, 227, 449, 635, 1135, 2245, 28829, 57023, 101923, 144145, 285115, 509615, 12944221, 64721105]

約数ペア:

[(1, 64721105), (5, 12944221), (127, 509615), (227, 285115), (449, 144145), (635, 101923), (1135, 57023), (2245, 28829)]