12640901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4532

約数の個数: 16

約数和(自身を含む): 16063488

約数和(自身を除く): 3422587

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 4481, 31367, 58253, 138911, 407771, 972377, 1805843, 12640901]

約数ペア:

[(1, 12640901), (7, 1805843), (13, 972377), (31, 407771), (91, 138911), (217, 58253), (403, 31367), (2821, 4481)]