81807796

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{14831}}^1$

素因数の和:15039

約数の個数: 24

約数和(自身を含む): 164457216

約数和(自身を除く): 82649420

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 14831, 29662, 59324, 103817, 207634, 415268, 2921707, 5843414, 11686828, 20451949, 40903898, 81807796]

約数ペア:

[(1, 81807796), (2, 40903898), (4, 20451949), (7, 11686828), (14, 5843414), (28, 2921707), (197, 415268), (394, 207634), (788, 103817), (1379, 59324), (2758, 29662), (5516, 14831)]