66664678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{8269}}^1$

素因数の和:8439

約数の個数: 16

約数和(自身を含む): 104202000

約数和(自身を除く): 37537322

約数列:

[1, 2, 29, 58, 139, 278, 4031, 8062, 8269, 16538, 239801, 479602, 1149391, 2298782, 33332339, 66664678]

約数ペア:

[(1, 66664678), (2, 33332339), (29, 2298782), (58, 1149391), (139, 479602), (278, 239801), (4031, 16538), (8062, 8269)]