1388932895

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{54287}}^1$

素因数の和:54359

約数の個数: 32

約数和(自身を含む): 2063812608

約数和(自身を除く): 674879713

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 1505, 3655, 5117, 25585, 54287, 271435, 380009, 922879, 1900045, 2334341, 4614395, 6460153, 11671705, 16340387, 32300765, 39683797, 81701935, 198418985, 277786579, 1388932895]

約数ペア:

[(1, 1388932895), (5, 277786579), (7, 198418985), (17, 81701935), (35, 39683797), (43, 32300765), (85, 16340387), (119, 11671705), (215, 6460153), (301, 4614395), (595, 2334341), (731, 1900045), (1505, 922879), (3655, 380009), (5117, 271435), (25585, 54287)]