7247780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21317}}^1$

素因数の和:21343

約数の個数: 24

約数和(自身を含む): 16116408

約数和(自身を除く): 8868628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21317, 42634, 85268, 106585, 213170, 362389, 426340, 724778, 1449556, 1811945, 3623890, 7247780]

約数ペア:

[(1, 7247780), (2, 3623890), (4, 1811945), (5, 1449556), (10, 724778), (17, 426340), (20, 362389), (34, 213170), (68, 106585), (85, 85268), (170, 42634), (340, 21317)]