1638065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 2419200

約数和(自身を除く): 781135

約数列:

[1, 5, 11, 13, 29, 55, 65, 79, 143, 145, 319, 377, 395, 715, 869, 1027, 1595, 1885, 2291, 4147, 4345, 5135, 11297, 11455, 20735, 25201, 29783, 56485, 126005, 148915, 327613, 1638065]

約数ペア:

[(1, 1638065), (5, 327613), (11, 148915), (13, 126005), (29, 56485), (55, 29783), (65, 25201), (79, 20735), (143, 11455), (145, 11297), (319, 5135), (377, 4345), (395, 4147), (715, 2291), (869, 1885), (1027, 1595)]