38907475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 52295760

約数和(自身を除く): 13388285

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 2129, 3655, 10645, 18275, 36193, 53225, 91547, 180965, 457735, 904825, 1556299, 2288675, 7781495, 38907475]

約数ペア:

[(1, 38907475), (5, 7781495), (17, 2288675), (25, 1556299), (43, 904825), (85, 457735), (215, 180965), (425, 91547), (731, 53225), (1075, 36193), (2129, 18275), (3655, 10645)]