1256321008

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{1889}}^1$

素因数の和:2305

約数の個数: 40

約数和(自身を含む): 2459373840

約数和(自身を除く): 1203052832

約数列:

[1, 2, 4, 8, 16, 197, 211, 394, 422, 788, 844, 1576, 1688, 1889, 3152, 3376, 3778, 7556, 15112, 30224, 41567, 83134, 166268, 332536, 372133, 398579, 665072, 744266, 797158, 1488532, 1594316, 2977064, 3188632, 5954128, 6377264, 78520063, 157040126, 314080252, 628160504, 1256321008]

約数ペア:

[(1, 1256321008), (2, 628160504), (4, 314080252), (8, 157040126), (16, 78520063), (197, 6377264), (211, 5954128), (394, 3188632), (422, 2977064), (788, 1594316), (844, 1488532), (1576, 797158), (1688, 744266), (1889, 665072), (3152, 398579), (3376, 372133), (3778, 332536), (7556, 166268), (15112, 83134), (30224, 41567)]