72416825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1367}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 97368768

約数和(自身を除く): 24951943

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 1367, 2119, 4075, 6835, 10595, 17771, 34175, 52975, 88855, 222821, 444275, 1114105, 2896673, 5570525, 14483365, 72416825]

約数ペア:

[(1, 72416825), (5, 14483365), (13, 5570525), (25, 2896673), (65, 1114105), (163, 444275), (325, 222821), (815, 88855), (1367, 52975), (2119, 34175), (4075, 17771), (6835, 10595)]