12988913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 15891840

約数和(自身を除く): 2902927

約数列:

[1, 7, 19, 61, 133, 427, 1159, 1601, 8113, 11207, 30419, 97661, 212933, 683627, 1855559, 12988913]

約数ペア:

[(1, 12988913), (7, 1855559), (19, 683627), (61, 212933), (133, 97661), (427, 30419), (1159, 11207), (1601, 8113)]