81355728

素因数分解:

$2^4\times 3^1\times {\mathrm{853}}^1\times {\mathrm{1987}}^1$

素因数の和:2851

約数の個数: 40

約数和(自身を含む): 210521248

約数和(自身を除く): 129165520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 853, 1706, 1987, 2559, 3412, 3974, 5118, 5961, 6824, 7948, 10236, 11922, 13648, 15896, 20472, 23844, 31792, 40944, 47688, 95376, 1694911, 3389822, 5084733, 6779644, 10169466, 13559288, 20338932, 27118576, 40677864, 81355728]

約数ペア:

[(1, 81355728), (2, 40677864), (3, 27118576), (4, 20338932), (6, 13559288), (8, 10169466), (12, 6779644), (16, 5084733), (24, 3389822), (48, 1694911), (853, 95376), (1706, 47688), (1987, 40944), (2559, 31792), (3412, 23844), (3974, 20472), (5118, 15896), (5961, 13648), (6824, 11922), (7948, 10236)]