71742805

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 92394720

約数和(自身を除く): 20651915

約数列:

[1, 5, 17, 85, 131, 289, 379, 655, 1445, 1895, 2227, 6443, 11135, 32215, 37859, 49649, 109531, 189295, 248245, 547655, 844033, 4220165, 14348561, 71742805]

約数ペア:

[(1, 71742805), (5, 14348561), (17, 4220165), (85, 844033), (131, 547655), (289, 248245), (379, 189295), (655, 109531), (1445, 49649), (1895, 37859), (2227, 32215), (6443, 11135)]