487354660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1874441}}^1$

素因数の和:1874463

約数の個数: 24

約数和(自身を含む): 1102171896

約数和(自身を除く): 614817236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1874441, 3748882, 7497764, 9372205, 18744410, 24367733, 37488820, 48735466, 97470932, 121838665, 243677330, 487354660]

約数ペア:

[(1, 487354660), (2, 243677330), (4, 121838665), (5, 97470932), (10, 48735466), (13, 37488820), (20, 24367733), (26, 18744410), (52, 9372205), (65, 7497764), (130, 3748882), (260, 1874441)]