1640246528

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{56701}}^1$

素因数の和:56830

約数の個数: 36

約数和(自身を含む): 3303118308

約数和(自身を除く): 1662871780

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 904, 1808, 3616, 7232, 14464, 28928, 56701, 113402, 226804, 453608, 907216, 1814432, 3628864, 6407213, 7257728, 12814426, 14515456, 25628852, 51257704, 102515408, 205030816, 410061632, 820123264, 1640246528]

約数ペア:

[(1, 1640246528), (2, 820123264), (4, 410061632), (8, 205030816), (16, 102515408), (32, 51257704), (64, 25628852), (113, 14515456), (128, 12814426), (226, 7257728), (256, 6407213), (452, 3628864), (904, 1814432), (1808, 907216), (3616, 453608), (7232, 226804), (14464, 113402), (28928, 56701)]