80155838

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 141892608

約数和(自身を除く): 61736770

約数列:

[1, 2, 7, 14, 37, 74, 259, 271, 518, 542, 571, 1142, 1897, 3794, 3997, 7994, 10027, 20054, 21127, 42254, 70189, 140378, 147889, 154741, 295778, 309482, 1083187, 2166374, 5725417, 11450834, 40077919, 80155838]

約数ペア:

[(1, 80155838), (2, 40077919), (7, 11450834), (14, 5725417), (37, 2166374), (74, 1083187), (259, 309482), (271, 295778), (518, 154741), (542, 147889), (571, 140378), (1142, 70189), (1897, 42254), (3794, 21127), (3997, 20054), (7994, 10027)]