205319216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{4751}}^1$

素因数の和:4869

約数の個数: 40

約数和(自身を含む): 414241344

約数和(自身を除く): 208922128

約数列:

[1, 2, 4, 8, 16, 37, 73, 74, 146, 148, 292, 296, 584, 592, 1168, 2701, 4751, 5402, 9502, 10804, 19004, 21608, 38008, 43216, 76016, 175787, 346823, 351574, 693646, 703148, 1387292, 1406296, 2774584, 2812592, 5549168, 12832451, 25664902, 51329804, 102659608, 205319216]

約数ペア:

[(1, 205319216), (2, 102659608), (4, 51329804), (8, 25664902), (16, 12832451), (37, 5549168), (73, 2812592), (74, 2774584), (146, 1406296), (148, 1387292), (292, 703148), (296, 693646), (584, 351574), (592, 346823), (1168, 175787), (2701, 76016), (4751, 43216), (5402, 38008), (9502, 21608), (10804, 19004)]