28149378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 60782400

約数和(自身を除く): 32633022

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 149, 222, 298, 447, 851, 894, 1369, 1702, 2553, 2738, 3427, 4107, 5106, 5513, 6854, 8214, 10281, 11026, 16539, 20562, 31487, 33078, 62974, 94461, 126799, 188922, 203981, 253598, 380397, 407962, 611943, 760794, 1223886, 4691563, 9383126, 14074689, 28149378]

約数ペア:

[(1, 28149378), (2, 14074689), (3, 9383126), (6, 4691563), (23, 1223886), (37, 760794), (46, 611943), (69, 407962), (74, 380397), (111, 253598), (138, 203981), (149, 188922), (222, 126799), (298, 94461), (447, 62974), (851, 33078), (894, 31487), (1369, 20562), (1702, 16539), (2553, 11026), (2738, 10281), (3427, 8214), (4107, 6854), (5106, 5513)]