209715265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{12239}}^1$

素因数の和:12416

約数の個数: 16

約数和(自身を含む): 264384000

約数和(自身を除く): 54668735

約数列:

[1, 5, 23, 115, 149, 745, 3427, 12239, 17135, 61195, 281497, 1407485, 1823611, 9118055, 41943053, 209715265]

約数ペア:

[(1, 209715265), (5, 41943053), (23, 9118055), (115, 1823611), (149, 1407485), (745, 281497), (3427, 61195), (12239, 17135)]