25657456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2089

約数の個数: 40

約数和(自身を含む): 55000944

約数和(自身を除く): 29343488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 1997, 3212, 3994, 6424, 7988, 12848, 15976, 21967, 31952, 43934, 87868, 145781, 175736, 291562, 351472, 583124, 1166248, 1603591, 2332496, 3207182, 6414364, 12828728, 25657456]

約数ペア:

[(1, 25657456), (2, 12828728), (4, 6414364), (8, 3207182), (11, 2332496), (16, 1603591), (22, 1166248), (44, 583124), (73, 351472), (88, 291562), (146, 175736), (176, 145781), (292, 87868), (584, 43934), (803, 31952), (1168, 21967), (1606, 15976), (1997, 12848), (3212, 7988), (3994, 6424)]