281301968

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 555816360

約数和(自身を除く): 274514392

約数列:

[1, 2, 4, 8, 16, 101, 109, 202, 218, 404, 436, 808, 872, 1597, 1616, 1744, 3194, 6388, 11009, 12776, 22018, 25552, 44036, 88072, 161297, 174073, 176144, 322594, 348146, 645188, 696292, 1290376, 1392584, 2580752, 2785168, 17581373, 35162746, 70325492, 140650984, 281301968]

約数ペア:

[(1, 281301968), (2, 140650984), (4, 70325492), (8, 35162746), (16, 17581373), (101, 2785168), (109, 2580752), (202, 1392584), (218, 1290376), (404, 696292), (436, 645188), (808, 348146), (872, 322594), (1597, 176144), (1616, 174073), (1744, 161297), (3194, 88072), (6388, 44036), (11009, 25552), (12776, 22018)]