251521508728

素因数分解:

$2^3\times 7^1\times {\mathrm{2281}}^1\times {\mathrm{1969073}}^1$

素因数の和:1971367

約数の個数: 32

約数和(自身を含む): 539211224160

約数和(自身を除く): 287689715432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2281, 4562, 9124, 15967, 18248, 31934, 63868, 127736, 1969073, 3938146, 7876292, 13783511, 15752584, 27567022, 55134044, 110268088, 4491455513, 8982911026, 17965822052, 31440188591, 35931644104, 62880377182, 125760754364, 251521508728]

約数ペア:

[(1, 251521508728), (2, 125760754364), (4, 62880377182), (7, 35931644104), (8, 31440188591), (14, 17965822052), (28, 8982911026), (56, 4491455513), (2281, 110268088), (4562, 55134044), (9124, 27567022), (15967, 15752584), (18248, 13783511), (31934, 7876292), (63868, 3938146), (127736, 1969073)]