78393968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{119503}}^1$

素因数の和:119552

約数の個数: 20

約数和(自身を含む): 155594208

約数和(自身を除く): 77200240

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 119503, 239006, 478012, 956024, 1912048, 4899623, 9799246, 19598492, 39196984, 78393968]

約数ペア:

[(1, 78393968), (2, 39196984), (4, 19598492), (8, 9799246), (16, 4899623), (41, 1912048), (82, 956024), (164, 478012), (328, 239006), (656, 119503)]