203480988

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2837}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 489498240

約数和(自身を除く): 286017252

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 278, 417, 516, 556, 834, 1668, 2837, 5674, 5977, 8511, 11348, 11954, 17022, 17931, 23908, 34044, 35862, 71724, 121991, 243982, 365973, 394343, 487964, 731946, 788686, 1183029, 1463892, 1577372, 2366058, 4732116, 16956749, 33913498, 50870247, 67826996, 101740494, 203480988]

約数ペア:

[(1, 203480988), (2, 101740494), (3, 67826996), (4, 50870247), (6, 33913498), (12, 16956749), (43, 4732116), (86, 2366058), (129, 1577372), (139, 1463892), (172, 1183029), (258, 788686), (278, 731946), (417, 487964), (516, 394343), (556, 365973), (834, 243982), (1668, 121991), (2837, 71724), (5674, 35862), (5977, 34044), (8511, 23908), (11348, 17931), (11954, 17022)]