31142556

素因数分解:

$2^2\times 3^4\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:640

約数の個数: 60

約数和(自身を含む): 81942168

約数和(自身を除く): 50799612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 277, 324, 347, 554, 694, 831, 1041, 1108, 1388, 1662, 2082, 2493, 3123, 3324, 4164, 4986, 6246, 7479, 9369, 9972, 12492, 14958, 18738, 22437, 28107, 29916, 37476, 44874, 56214, 89748, 96119, 112428, 192238, 288357, 384476, 576714, 865071, 1153428, 1730142, 2595213, 3460284, 5190426, 7785639, 10380852, 15571278, 31142556]

約数ペア:

[(1, 31142556), (2, 15571278), (3, 10380852), (4, 7785639), (6, 5190426), (9, 3460284), (12, 2595213), (18, 1730142), (27, 1153428), (36, 865071), (54, 576714), (81, 384476), (108, 288357), (162, 192238), (277, 112428), (324, 96119), (347, 89748), (554, 56214), (694, 44874), (831, 37476), (1041, 29916), (1108, 28107), (1388, 22437), (1662, 18738), (2082, 14958), (2493, 12492), (3123, 9972), (3324, 9369), (4164, 7479), (4986, 6246)]