13280408

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 25608960

約数和(自身を除く): 12328552

約数列:

[1, 2, 4, 8, 71, 103, 142, 206, 227, 284, 412, 454, 568, 824, 908, 1816, 7313, 14626, 16117, 23381, 29252, 32234, 46762, 58504, 64468, 93524, 128936, 187048, 1660051, 3320102, 6640204, 13280408]

約数ペア:

[(1, 13280408), (2, 6640204), (4, 3320102), (8, 1660051), (71, 187048), (103, 128936), (142, 93524), (206, 64468), (227, 58504), (284, 46762), (412, 32234), (454, 29252), (568, 23381), (824, 16117), (908, 14626), (1816, 7313)]