127292728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 256116960

約数和(自身を除く): 128824232

約数列:

[1, 2, 4, 8, 37, 43, 73, 74, 86, 137, 146, 148, 172, 274, 292, 296, 344, 548, 584, 1096, 1591, 2701, 3139, 3182, 5069, 5402, 5891, 6278, 6364, 10001, 10138, 10804, 11782, 12556, 12728, 20002, 20276, 21608, 23564, 25112, 40004, 40552, 47128, 80008, 116143, 217967, 232286, 370037, 430043, 435934, 464572, 740074, 860086, 871868, 929144, 1480148, 1720172, 1743736, 2960296, 3440344, 15911591, 31823182, 63646364, 127292728]

約数ペア:

[(1, 127292728), (2, 63646364), (4, 31823182), (8, 15911591), (37, 3440344), (43, 2960296), (73, 1743736), (74, 1720172), (86, 1480148), (137, 929144), (146, 871868), (148, 860086), (172, 740074), (274, 464572), (292, 435934), (296, 430043), (344, 370037), (548, 232286), (584, 217967), (1096, 116143), (1591, 80008), (2701, 47128), (3139, 40552), (3182, 40004), (5069, 25112), (5402, 23564), (5891, 21608), (6278, 20276), (6364, 20002), (10001, 12728), (10138, 12556), (10804, 11782)]