71640944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{235661}}^1$

素因数の和:235688

約数の個数: 20

約数和(自身を含む): 146110440

約数和(自身を除く): 74469496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 235661, 471322, 942644, 1885288, 3770576, 4477559, 8955118, 17910236, 35820472, 71640944]

約数ペア:

[(1, 71640944), (2, 35820472), (4, 17910236), (8, 8955118), (16, 4477559), (19, 3770576), (38, 1885288), (76, 942644), (152, 471322), (304, 235661)]