1389664588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{74441}}^1$

素因数の和:74817

約数の個数: 24

約数和(自身を含む): 2626313760

約数和(自身を除く): 1236649172

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1436, 4667, 9334, 18668, 74441, 148882, 297764, 967733, 1935466, 3870932, 26724319, 53448638, 106897276, 347416147, 694832294, 1389664588]

約数ペア:

[(1, 1389664588), (2, 694832294), (4, 347416147), (13, 106897276), (26, 53448638), (52, 26724319), (359, 3870932), (718, 1935466), (1436, 967733), (4667, 297764), (9334, 148882), (18668, 74441)]