1389184445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{2521}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 1869588864

約数和(自身を除く): 480404419

約数列:

[1, 5, 11, 43, 55, 215, 233, 473, 1165, 2365, 2521, 2563, 10019, 12605, 12815, 27731, 50095, 108403, 110209, 138655, 542015, 551045, 587393, 1192433, 2936965, 5962165, 6461323, 25257899, 32306615, 126289495, 277836889, 1389184445]

約数ペア:

[(1, 1389184445), (5, 277836889), (11, 126289495), (43, 32306615), (55, 25257899), (215, 6461323), (233, 5962165), (473, 2936965), (1165, 1192433), (2365, 587393), (2521, 551045), (2563, 542015), (10019, 138655), (12605, 110209), (12815, 108403), (27731, 50095)]