28219856

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1279}}^1$

素因数の和:1491

約数の個数: 40

約数和(自身を含む): 62853120

約数和(自身を除く): 34633264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1279, 1379, 1576, 2558, 2758, 3152, 5116, 5516, 8953, 10232, 11032, 17906, 20464, 22064, 35812, 71624, 143248, 251963, 503926, 1007852, 1763741, 2015704, 3527482, 4031408, 7054964, 14109928, 28219856]

約数ペア:

[(1, 28219856), (2, 14109928), (4, 7054964), (7, 4031408), (8, 3527482), (14, 2015704), (16, 1763741), (28, 1007852), (56, 503926), (112, 251963), (197, 143248), (394, 71624), (788, 35812), (1279, 22064), (1379, 20464), (1576, 17906), (2558, 11032), (2758, 10232), (3152, 8953), (5116, 5516)]