402199456

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1279}}^1$

素因数の和:1637

約数の個数: 48

約数和(自身を含む): 820592640

約数和(自身を除く): 418393184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 317, 496, 634, 992, 1268, 1279, 2536, 2558, 5072, 5116, 9827, 10144, 10232, 19654, 20464, 39308, 39649, 40928, 78616, 79298, 157232, 158596, 314464, 317192, 405443, 634384, 810886, 1268768, 1621772, 3243544, 6487088, 12568733, 12974176, 25137466, 50274932, 100549864, 201099728, 402199456]

約数ペア:

[(1, 402199456), (2, 201099728), (4, 100549864), (8, 50274932), (16, 25137466), (31, 12974176), (32, 12568733), (62, 6487088), (124, 3243544), (248, 1621772), (317, 1268768), (496, 810886), (634, 634384), (992, 405443), (1268, 317192), (1279, 314464), (2536, 158596), (2558, 157232), (5072, 79298), (5116, 78616), (9827, 40928), (10144, 39649), (10232, 39308), (19654, 20464)]