261644872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{3167}}^1$

素因数の和:3645

約数の個数: 32

約数和(自身を含む): 513216000

約数和(自身を除く): 251571128

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 449, 898, 1796, 3167, 3592, 6334, 10327, 12668, 20654, 25336, 41308, 72841, 82616, 145682, 291364, 582728, 1421983, 2843966, 5687932, 11375864, 32705609, 65411218, 130822436, 261644872]

約数ペア:

[(1, 261644872), (2, 130822436), (4, 65411218), (8, 32705609), (23, 11375864), (46, 5687932), (92, 2843966), (184, 1421983), (449, 582728), (898, 291364), (1796, 145682), (3167, 82616), (3592, 72841), (6334, 41308), (10327, 25336), (12668, 20654)]