12986897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{743}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 16284672

約数和(自身を除く): 3297775

約数列:

[1, 7, 11, 77, 227, 743, 1589, 2497, 5201, 8173, 17479, 57211, 168661, 1180627, 1855271, 12986897]

約数ペア:

[(1, 12986897), (7, 1855271), (11, 1180627), (77, 168661), (227, 57211), (743, 17479), (1589, 8173), (2497, 5201)]