13221908

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2897}}^1$

素因数の和:3071

約数の個数: 24

約数和(自身を含む): 26615232

約数和(自身を除く): 13393324

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 2897, 4564, 5794, 11588, 20279, 40558, 81116, 472211, 944422, 1888844, 3305477, 6610954, 13221908]

約数ペア:

[(1, 13221908), (2, 6610954), (4, 3305477), (7, 1888844), (14, 944422), (28, 472211), (163, 81116), (326, 40558), (652, 20279), (1141, 11588), (2282, 5794), (2897, 4564)]