12189779

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 14883840

約数和(自身を除く): 2694061

約数列:

[1, 7, 47, 49, 67, 79, 329, 469, 553, 2303, 3149, 3283, 3713, 3871, 5293, 22043, 25991, 37051, 154301, 181937, 248771, 259357, 1741397, 12189779]

約数ペア:

[(1, 12189779), (7, 1741397), (47, 259357), (49, 248771), (67, 181937), (79, 154301), (329, 37051), (469, 25991), (553, 22043), (2303, 5293), (3149, 3871), (3283, 3713)]