212219215

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19319}}^1$

素因数の和:19363

約数の個数: 16

約数和(自身を含む): 275889600

約数和(自身を除く): 63670385

約数列:

[1, 5, 13, 65, 169, 845, 2197, 10985, 19319, 96595, 251147, 1255735, 3264911, 16324555, 42443843, 212219215]

約数ペア:

[(1, 212219215), (5, 42443843), (13, 16324555), (65, 3264911), (169, 1255735), (845, 251147), (2197, 96595), (10985, 19319)]