127668848

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 251695200

約数和(自身を除く): 124026352

約数列:

[1, 2, 4, 8, 16, 101, 199, 202, 397, 398, 404, 794, 796, 808, 1588, 1592, 1616, 3176, 3184, 6352, 20099, 40097, 40198, 79003, 80194, 80396, 158006, 160388, 160792, 316012, 320776, 321584, 632024, 641552, 1264048, 7979303, 15958606, 31917212, 63834424, 127668848]

約数ペア:

[(1, 127668848), (2, 63834424), (4, 31917212), (8, 15958606), (16, 7979303), (101, 1264048), (199, 641552), (202, 632024), (397, 321584), (398, 320776), (404, 316012), (794, 160792), (796, 160388), (808, 158006), (1588, 80396), (1592, 80194), (1616, 79003), (3176, 40198), (3184, 40097), (6352, 20099)]