1389341786

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{619}}^2$

素因数の和:1291

約数の個数: 36

約数和(自身を含む): 2493808938

約数和(自身を除く): 1104467152

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 619, 1238, 1813, 3626, 4333, 8666, 22903, 30331, 45806, 60662, 160321, 320642, 383161, 766322, 1122247, 2244494, 2682127, 5364254, 14176957, 18774889, 28353914, 37549778, 99238699, 198477398, 694670893, 1389341786]

約数ペア:

[(1, 1389341786), (2, 694670893), (7, 198477398), (14, 99238699), (37, 37549778), (49, 28353914), (74, 18774889), (98, 14176957), (259, 5364254), (518, 2682127), (619, 2244494), (1238, 1122247), (1813, 766322), (3626, 383161), (4333, 320642), (8666, 160321), (22903, 60662), (30331, 45806)]