129581104

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{218887}}^1$

素因数の和:218932

約数の個数: 20

約数和(自身を含む): 257850064

約数和(自身を除く): 128268960

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 218887, 437774, 875548, 1751096, 3502192, 8098819, 16197638, 32395276, 64790552, 129581104]

約数ペア:

[(1, 129581104), (2, 64790552), (4, 32395276), (8, 16197638), (16, 8098819), (37, 3502192), (74, 1751096), (148, 875548), (296, 437774), (592, 218887)]