398401072

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{858623}}^1$

素因数の和:858660

約数の個数: 20

約数和(自身を含む): 798520320

約数和(自身を除く): 400119248

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 858623, 1717246, 3434492, 6868984, 13737968, 24900067, 49800134, 99600268, 199200536, 398401072]

約数ペア:

[(1, 398401072), (2, 199200536), (4, 99600268), (8, 49800134), (16, 24900067), (29, 13737968), (58, 6868984), (116, 3434492), (232, 1717246), (464, 858623)]