820123264

素因数分解:

$2^7\times {\mathrm{113}}^1\times {\mathrm{56701}}^1$

素因数の和:56828

約数の個数: 32

約数和(自身を含む): 1648327140

約数和(自身を除く): 828203876

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 452, 904, 1808, 3616, 7232, 14464, 56701, 113402, 226804, 453608, 907216, 1814432, 3628864, 6407213, 7257728, 12814426, 25628852, 51257704, 102515408, 205030816, 410061632, 820123264]

約数ペア:

[(1, 820123264), (2, 410061632), (4, 205030816), (8, 102515408), (16, 51257704), (32, 25628852), (64, 12814426), (113, 7257728), (128, 6407213), (226, 3628864), (452, 1814432), (904, 907216), (1808, 453608), (3616, 226804), (7232, 113402), (14464, 56701)]