47213725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2741}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 64261512

約数和(自身を除く): 17047787

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 2741, 3445, 13705, 17225, 35633, 68525, 145273, 178165, 726365, 890825, 1888549, 3631825, 9442745, 47213725]

約数ペア:

[(1, 47213725), (5, 9442745), (13, 3631825), (25, 1888549), (53, 890825), (65, 726365), (265, 178165), (325, 145273), (689, 68525), (1325, 35633), (2741, 17225), (3445, 13705)]