2518789

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 3144960

約数和(自身を除く): 626171

約数列:

[1, 7, 13, 89, 91, 311, 623, 1157, 2177, 4043, 8099, 27679, 28301, 193753, 359827, 2518789]

約数ペア:

[(1, 2518789), (7, 359827), (13, 193753), (89, 28301), (91, 27679), (311, 8099), (623, 4043), (1157, 2177)]