81649205824

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{43992029}}^1$

素因数の和:43992070

約数の個数: 28

約数和(自身を含む): 167609634300

約数和(自身を除く): 85960428476

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 43992029, 87984058, 175968116, 351936232, 703872464, 1275768841, 1407744928, 2551537682, 2815489856, 5103075364, 10206150728, 20412301456, 40824602912, 81649205824]

約数ペア:

[(1, 81649205824), (2, 40824602912), (4, 20412301456), (8, 10206150728), (16, 5103075364), (29, 2815489856), (32, 2551537682), (58, 1407744928), (64, 1275768841), (116, 703872464), (232, 351936232), (464, 175968116), (928, 87984058), (1856, 43992029)]