28778512

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 64031616

約数和(自身を除く): 35253104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 977, 1052, 1841, 1954, 2104, 3682, 3908, 4208, 6839, 7364, 7816, 13678, 14728, 15632, 27356, 29456, 54712, 109424, 256951, 513902, 1027804, 1798657, 2055608, 3597314, 4111216, 7194628, 14389256, 28778512]

約数ペア:

[(1, 28778512), (2, 14389256), (4, 7194628), (7, 4111216), (8, 3597314), (14, 2055608), (16, 1798657), (28, 1027804), (56, 513902), (112, 256951), (263, 109424), (526, 54712), (977, 29456), (1052, 27356), (1841, 15632), (1954, 14728), (2104, 13678), (3682, 7816), (3908, 7364), (4208, 6839)]