40544816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 84984144

約数和(自身を除く): 44439328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 397, 491, 794, 982, 1588, 1964, 3176, 3928, 5161, 6352, 6383, 7856, 10322, 12766, 20644, 25532, 41288, 51064, 82576, 102128, 194927, 389854, 779708, 1559416, 2534051, 3118832, 5068102, 10136204, 20272408, 40544816]

約数ペア:

[(1, 40544816), (2, 20272408), (4, 10136204), (8, 5068102), (13, 3118832), (16, 2534051), (26, 1559416), (52, 779708), (104, 389854), (208, 194927), (397, 102128), (491, 82576), (794, 51064), (982, 41288), (1588, 25532), (1964, 20644), (3176, 12766), (3928, 10322), (5161, 7856), (6352, 6383)]