64699408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212827}}^1$

素因数の和:212854

約数の個数: 20

約数和(自身を含む): 131953360

約数和(自身を除く): 67253952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212827, 425654, 851308, 1702616, 3405232, 4043713, 8087426, 16174852, 32349704, 64699408]

約数ペア:

[(1, 64699408), (2, 32349704), (4, 16174852), (8, 8087426), (16, 4043713), (19, 3405232), (38, 1702616), (76, 851308), (152, 425654), (304, 212827)]