217894808339

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1\times {\mathrm{789391}}^1$

素因数の和:790670

約数の個数: 16

約数和(自身を含む): 248658480000

約数和(自身を除く): 30763671661

約数列:

[1, 13, 17, 221, 1249, 16237, 21233, 276029, 789391, 10262083, 13419647, 174455411, 985949359, 12817341667, 16761139103, 217894808339]

約数ペア:

[(1, 217894808339), (13, 16761139103), (17, 12817341667), (221, 985949359), (1249, 174455411), (16237, 13419647), (21233, 10262083), (276029, 789391)]