9920231585

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{65327}}^1$

素因数の和:65605

約数の個数: 24

約数和(自身を含む): 13137199488

約数和(自身を除く): 3216967903

約数列:

[1, 5, 11, 55, 121, 251, 605, 1255, 2761, 13805, 30371, 65327, 151855, 326635, 718597, 3592985, 7904567, 16397077, 39522835, 81985385, 180367847, 901839235, 1984046317, 9920231585]

約数ペア:

[(1, 9920231585), (5, 1984046317), (11, 901839235), (55, 180367847), (121, 81985385), (251, 39522835), (605, 16397077), (1255, 7904567), (2761, 3592985), (13805, 718597), (30371, 326635), (65327, 151855)]