12809456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 27472944

約数和(自身を除く): 14663488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 997, 1168, 1606, 1994, 3212, 3988, 6424, 7976, 10967, 12848, 15952, 21934, 43868, 72781, 87736, 145562, 175472, 291124, 582248, 800591, 1164496, 1601182, 3202364, 6404728, 12809456]

約数ペア:

[(1, 12809456), (2, 6404728), (4, 3202364), (8, 1601182), (11, 1164496), (16, 800591), (22, 582248), (44, 291124), (73, 175472), (88, 145562), (146, 87736), (176, 72781), (292, 43868), (584, 21934), (803, 15952), (997, 12848), (1168, 10967), (1606, 7976), (1994, 6424), (3212, 3988)]