81374816

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{15601}}^1$

素因数の和:15774

約数の個数: 24

約数和(自身を含む): 161199864

約数和(自身を除く): 79825048

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 5216, 15601, 31202, 62404, 124808, 249616, 499232, 2542963, 5085926, 10171852, 20343704, 40687408, 81374816]

約数ペア:

[(1, 81374816), (2, 40687408), (4, 20343704), (8, 10171852), (16, 5085926), (32, 2542963), (163, 499232), (326, 249616), (652, 124808), (1304, 62404), (2608, 31202), (5216, 15601)]