31215898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{117353}}^1$

素因数の和:117381

約数の個数: 16

約数和(自身を含む): 56329920

約数和(自身を除く): 25114022

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 117353, 234706, 821471, 1642942, 2229707, 4459414, 15607949, 31215898]

約数ペア:

[(1, 31215898), (2, 15607949), (7, 4459414), (14, 2229707), (19, 1642942), (38, 821471), (133, 234706), (266, 117353)]