87645481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 113338368

約数和(自身を除く): 25692887

約数列:

[1, 7, 11, 43, 77, 103, 257, 301, 473, 721, 1133, 1799, 2827, 3311, 4429, 7931, 11051, 19789, 26471, 31003, 48719, 77357, 121561, 185297, 291181, 341033, 850927, 1138253, 2038267, 7967771, 12520783, 87645481]

約数ペア:

[(1, 87645481), (7, 12520783), (11, 7967771), (43, 2038267), (77, 1138253), (103, 850927), (257, 341033), (301, 291181), (473, 185297), (721, 121561), (1133, 77357), (1799, 48719), (2827, 31003), (3311, 26471), (4429, 19789), (7931, 11051)]