720138022

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1\times {\mathrm{7919}}^1$

素因数の和:9071

約数の個数: 16

約数和(自身を含む): 1107691200

約数和(自身を除く): 387553178

約数列:

[1, 2, 41, 82, 1109, 2218, 7919, 15838, 45469, 90938, 324679, 649358, 8782171, 17564342, 360069011, 720138022]

約数ペア:

[(1, 720138022), (2, 360069011), (41, 17564342), (82, 8782171), (1109, 649358), (2218, 324679), (7919, 90938), (15838, 45469)]