12781331

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 14192640

約数和(自身を除く): 1411309

約数列:

[1, 17, 31, 79, 307, 527, 1343, 2449, 5219, 9517, 24253, 41633, 161789, 412301, 751843, 12781331]

約数ペア:

[(1, 12781331), (17, 751843), (31, 412301), (79, 161789), (307, 41633), (527, 24253), (1343, 9517), (2449, 5219)]