80904887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 101832192

約数和(自身を除く): 20927305

約数列:

[1, 7, 17, 43, 97, 119, 163, 301, 679, 731, 1141, 1649, 2771, 4171, 5117, 7009, 11543, 15811, 19397, 29197, 49063, 70907, 110677, 119153, 268787, 496349, 679873, 834071, 1881509, 4759111, 11557841, 80904887]

約数ペア:

[(1, 80904887), (7, 11557841), (17, 4759111), (43, 1881509), (97, 834071), (119, 679873), (163, 496349), (301, 268787), (679, 119153), (731, 110677), (1141, 70907), (1649, 49063), (2771, 29197), (4171, 19397), (5117, 15811), (7009, 11543)]