7220155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 9245664

約数和(自身を除く): 2025509

約数列:

[1, 5, 17, 85, 173, 491, 865, 2455, 2941, 8347, 14705, 41735, 84943, 424715, 1444031, 7220155]

約数ペア:

[(1, 7220155), (5, 1444031), (17, 424715), (85, 84943), (173, 41735), (491, 14705), (865, 8347), (2455, 2941)]