12843025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 17568320

約数和(自身を除く): 4725295

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 919, 1075, 2795, 4595, 11947, 13975, 22975, 39517, 59735, 197585, 298675, 513721, 987925, 2568605, 12843025]

約数ペア:

[(1, 12843025), (5, 2568605), (13, 987925), (25, 513721), (43, 298675), (65, 197585), (215, 59735), (325, 39517), (559, 22975), (919, 13975), (1075, 11947), (2795, 4595)]