65720215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{70289}}^1$

素因数の和:70322

約数の個数: 16

約数和(自身を含む): 91095840

約数和(自身を除く): 25375625

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 70289, 351445, 773179, 1194913, 3865895, 5974565, 13144043, 65720215]

約数ペア:

[(1, 65720215), (5, 13144043), (11, 5974565), (17, 3865895), (55, 1194913), (85, 773179), (187, 351445), (935, 70289)]