12928705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 16128000

約数和(自身を除く): 3199295

約数列:

[1, 5, 31, 155, 239, 349, 1195, 1745, 7409, 10819, 37045, 54095, 83411, 417055, 2585741, 12928705]

約数ペア:

[(1, 12928705), (5, 2585741), (31, 417055), (155, 83411), (239, 54095), (349, 37045), (1195, 10819), (1745, 7409)]