128139806

素因数分解:

$2^1\times {\mathrm{29}}^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 207334080

約数和(自身を除く): 79194274

約数列:

[1, 2, 29, 37, 58, 71, 74, 142, 841, 1073, 1682, 2059, 2146, 2627, 4118, 5254, 24389, 31117, 48778, 59711, 62234, 76183, 119422, 152366, 902393, 1731619, 1804786, 2209307, 3463238, 4418614, 64069903, 128139806]

約数ペア:

[(1, 128139806), (2, 64069903), (29, 4418614), (37, 3463238), (58, 2209307), (71, 1804786), (74, 1731619), (142, 902393), (841, 152366), (1073, 119422), (1682, 76183), (2059, 62234), (2146, 59711), (2627, 48778), (4118, 31117), (5254, 24389)]