12895559648

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{22367}}^1$

素因数の和:22839

約数の個数: 48

約数和(自身を含む): 26041720320

約数和(自身を除く): 13146160672

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 419, 688, 838, 1376, 1676, 3352, 6704, 13408, 18017, 22367, 36034, 44734, 72068, 89468, 144136, 178936, 288272, 357872, 576544, 715744, 961781, 1923562, 3847124, 7694248, 9371773, 15388496, 18743546, 30776992, 37487092, 74974184, 149948368, 299896736, 402986239, 805972478, 1611944956, 3223889912, 6447779824, 12895559648]

約数ペア:

[(1, 12895559648), (2, 6447779824), (4, 3223889912), (8, 1611944956), (16, 805972478), (32, 402986239), (43, 299896736), (86, 149948368), (172, 74974184), (344, 37487092), (419, 30776992), (688, 18743546), (838, 15388496), (1376, 9371773), (1676, 7694248), (3352, 3847124), (6704, 1923562), (13408, 961781), (18017, 715744), (22367, 576544), (36034, 357872), (44734, 288272), (72068, 178936), (89468, 144136)]