66780944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{134639}}^1$

素因数の和:134678

約数の個数: 20

約数和(自身を含む): 133562880

約数和(自身を除く): 66781936

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 134639, 269278, 538556, 1077112, 2154224, 4173809, 8347618, 16695236, 33390472, 66780944]

約数ペア:

[(1, 66780944), (2, 33390472), (4, 16695236), (8, 8347618), (16, 4173809), (31, 2154224), (62, 1077112), (124, 538556), (248, 269278), (496, 134639)]