391557288

素因数分解:

$2^3\times 3^1\times {\mathrm{811}}^1\times {\mathrm{20117}}^1$

素因数の和:20937

約数の個数: 32

約数和(自身を含む): 980148960

約数和(自身を除く): 588591672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 811, 1622, 2433, 3244, 4866, 6488, 9732, 19464, 20117, 40234, 60351, 80468, 120702, 160936, 241404, 482808, 16314887, 32629774, 48944661, 65259548, 97889322, 130519096, 195778644, 391557288]

約数ペア:

[(1, 391557288), (2, 195778644), (3, 130519096), (4, 97889322), (6, 65259548), (8, 48944661), (12, 32629774), (24, 16314887), (811, 482808), (1622, 241404), (2433, 160936), (3244, 120702), (4866, 80468), (6488, 60351), (9732, 40234), (19464, 20117)]