398748477968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{803928383}}^1$

素因数の和:803928422

約数の個数: 20

約数和(自身を含む): 797496956928

約数和(自身を除く): 398748478960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 803928383, 1607856766, 3215713532, 6431427064, 12862854128, 24921779873, 49843559746, 99687119492, 199374238984, 398748477968]

約数ペア:

[(1, 398748477968), (2, 199374238984), (4, 99687119492), (8, 49843559746), (16, 24921779873), (31, 12862854128), (62, 6431427064), (124, 3215713532), (248, 1607856766), (496, 803928383)]