208048685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 282078720

約数和(自身を除く): 74030035

約数列:

[1, 5, 13, 23, 65, 115, 299, 317, 439, 1495, 1585, 2195, 4121, 5707, 7291, 10097, 20605, 28535, 36455, 50485, 94783, 131261, 139163, 473915, 656305, 695815, 1809119, 3200749, 9045595, 16003745, 41609737, 208048685]

約数ペア:

[(1, 208048685), (5, 41609737), (13, 16003745), (23, 9045595), (65, 3200749), (115, 1809119), (299, 695815), (317, 656305), (439, 473915), (1495, 139163), (1585, 131261), (2195, 94783), (4121, 50485), (5707, 36455), (7291, 28535), (10097, 20605)]