25357267

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 29646000

約数和(自身を除く): 4288733

約数列:

[1, 13, 19, 53, 149, 169, 247, 689, 1007, 1937, 2831, 3211, 7897, 8957, 13091, 25181, 36803, 102661, 150043, 170183, 478439, 1334593, 1950559, 25357267]

約数ペア:

[(1, 25357267), (13, 1950559), (19, 1334593), (53, 478439), (149, 170183), (169, 150043), (247, 102661), (689, 36803), (1007, 25181), (1937, 13091), (2831, 8957), (3211, 7897)]