25222015

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7951

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 12698945

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 7919, 39595, 55433, 102947, 277165, 388031, 514735, 720629, 1940155, 3603145, 5044403, 25222015]

約数ペア:

[(1, 25222015), (5, 5044403), (7, 3603145), (13, 1940155), (35, 720629), (49, 514735), (65, 388031), (91, 277165), (245, 102947), (455, 55433), (637, 39595), (3185, 7919)]