12921328

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2683}}^1$

素因数の和:2741

約数の個数: 40

約数和(自身を含む): 29287808

約数和(自身を除く): 16366480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 2683, 4816, 5366, 10732, 18781, 21464, 37562, 42928, 75124, 115369, 150248, 230738, 300496, 461476, 807583, 922952, 1615166, 1845904, 3230332, 6460664, 12921328]

約数ペア:

[(1, 12921328), (2, 6460664), (4, 3230332), (7, 1845904), (8, 1615166), (14, 922952), (16, 807583), (28, 461476), (43, 300496), (56, 230738), (86, 150248), (112, 115369), (172, 75124), (301, 42928), (344, 37562), (602, 21464), (688, 18781), (1204, 10732), (2408, 5366), (2683, 4816)]