218884315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 294940800

約数和(自身を除く): 76056485

約数列:

[1, 5, 13, 29, 65, 145, 151, 377, 755, 769, 1885, 1963, 3845, 4379, 9815, 9997, 21895, 22301, 49985, 56927, 111505, 116119, 284635, 289913, 580595, 1449565, 1509547, 3367451, 7547735, 16837255, 43776863, 218884315]

約数ペア:

[(1, 218884315), (5, 43776863), (13, 16837255), (29, 7547735), (65, 3367451), (145, 1509547), (151, 1449565), (377, 580595), (755, 289913), (769, 284635), (1885, 116119), (1963, 111505), (3845, 56927), (4379, 49985), (9815, 22301), (9997, 21895)]