31568128

素因数分解:

$2^8\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:722

約数の個数: 36

約数和(自身を含む): 63374220

約数和(自身を除く): 31806092

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 317, 389, 634, 778, 1268, 1556, 2536, 3112, 5072, 6224, 10144, 12448, 20288, 24896, 40576, 49792, 81152, 99584, 123313, 246626, 493252, 986504, 1973008, 3946016, 7892032, 15784064, 31568128]

約数ペア:

[(1, 31568128), (2, 15784064), (4, 7892032), (8, 3946016), (16, 1973008), (32, 986504), (64, 493252), (128, 246626), (256, 123313), (317, 99584), (389, 81152), (634, 49792), (778, 40576), (1268, 24896), (1556, 20288), (2536, 12448), (3112, 10144), (5072, 6224)]