28720116

素因数分解:

$2^2\times 3^3\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 74753280

約数和(自身を除く): 46033164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 431, 617, 862, 1234, 1293, 1724, 1851, 2468, 2586, 3702, 3879, 5172, 5553, 7404, 7758, 11106, 11637, 15516, 16659, 22212, 23274, 33318, 46548, 66636, 265927, 531854, 797781, 1063708, 1595562, 2393343, 3191124, 4786686, 7180029, 9573372, 14360058, 28720116]

約数ペア:

[(1, 28720116), (2, 14360058), (3, 9573372), (4, 7180029), (6, 4786686), (9, 3191124), (12, 2393343), (18, 1595562), (27, 1063708), (36, 797781), (54, 531854), (108, 265927), (431, 66636), (617, 46548), (862, 33318), (1234, 23274), (1293, 22212), (1724, 16659), (1851, 15516), (2468, 11637), (2586, 11106), (3702, 7758), (3879, 7404), (5172, 5553)]