87442019

素因数分解:

$7^4\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 20

約数和(自身を含む): 103524960

約数和(自身を除く): 16082941

約数列:

[1, 7, 49, 79, 343, 461, 553, 2401, 3227, 3871, 22589, 27097, 36419, 158123, 189679, 254933, 1106861, 1784531, 12491717, 87442019]

約数ペア:

[(1, 87442019), (7, 12491717), (49, 1784531), (79, 1106861), (343, 254933), (461, 189679), (553, 158123), (2401, 36419), (3227, 27097), (3871, 22589)]