218380799

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 275769648

約数和(自身を除く): 57388849

約数列:

[1, 7, 13, 49, 91, 131, 637, 917, 1703, 2617, 6419, 11921, 18319, 34021, 83447, 128233, 238147, 342827, 1667029, 2399789, 4456751, 16798523, 31197257, 218380799]

約数ペア:

[(1, 218380799), (7, 31197257), (13, 16798523), (49, 4456751), (91, 2399789), (131, 1667029), (637, 342827), (917, 238147), (1703, 128233), (2617, 83447), (6419, 34021), (11921, 18319)]