81890712

素因数分解:

$2^3\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1291}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 222211080

約数和(自身を除く): 140320368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 881, 1291, 1762, 2582, 2643, 3524, 3873, 5164, 5286, 7048, 7746, 7929, 10328, 10572, 11619, 15492, 15858, 21144, 23238, 30984, 31716, 46476, 63432, 92952, 1137371, 2274742, 3412113, 4549484, 6824226, 9098968, 10236339, 13648452, 20472678, 27296904, 40945356, 81890712]

約数ペア:

[(1, 81890712), (2, 40945356), (3, 27296904), (4, 20472678), (6, 13648452), (8, 10236339), (9, 9098968), (12, 6824226), (18, 4549484), (24, 3412113), (36, 2274742), (72, 1137371), (881, 92952), (1291, 63432), (1762, 46476), (2582, 31716), (2643, 30984), (3524, 23238), (3873, 21144), (5164, 15858), (5286, 15492), (7048, 11619), (7746, 10572), (7929, 10328)]