51891619

素因数分解:

${\mathrm{13}}^2\times {\mathrm{47}}^2\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 18

約数和(自身を含む): 57824340

約数和(自身を除く): 5932721

約数列:

[1, 13, 47, 139, 169, 611, 1807, 2209, 6533, 7943, 23491, 28717, 84929, 307051, 373321, 1104077, 3991663, 51891619]

約数ペア:

[(1, 51891619), (13, 3991663), (47, 1104077), (139, 373321), (169, 307051), (611, 84929), (1807, 28717), (2209, 23491), (6533, 7943)]