131488718

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{1979}}^1$

素因数の和:2359

約数の個数: 16

約数和(自身を含む): 199584000

約数和(自身を除く): 68095282

約数列:

[1, 2, 139, 239, 278, 478, 1979, 3958, 33221, 66442, 275081, 472981, 550162, 945962, 65744359, 131488718]

約数ペア:

[(1, 131488718), (2, 65744359), (139, 945962), (239, 550162), (278, 472981), (478, 275081), (1979, 66442), (3958, 33221)]