278300826

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2003}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 646410240

約数和(自身を除く): 368109414

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 83, 93, 166, 186, 249, 279, 498, 558, 747, 837, 1494, 1674, 2003, 2241, 2573, 4006, 4482, 5146, 6009, 7719, 12018, 15438, 18027, 23157, 36054, 46314, 54081, 62093, 69471, 108162, 124186, 138942, 166249, 186279, 332498, 372558, 498747, 558837, 997494, 1117674, 1496241, 1676511, 2992482, 3353022, 4488723, 5153719, 8977446, 10307438, 15461157, 30922314, 46383471, 92766942, 139150413, 278300826]

約数ペア:

[(1, 278300826), (2, 139150413), (3, 92766942), (6, 46383471), (9, 30922314), (18, 15461157), (27, 10307438), (31, 8977446), (54, 5153719), (62, 4488723), (83, 3353022), (93, 2992482), (166, 1676511), (186, 1496241), (249, 1117674), (279, 997494), (498, 558837), (558, 498747), (747, 372558), (837, 332498), (1494, 186279), (1674, 166249), (2003, 138942), (2241, 124186), (2573, 108162), (4006, 69471), (4482, 62093), (5146, 54081), (6009, 46314), (7719, 36054), (12018, 23157), (15438, 18027)]