8891792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 21998592

約数和(自身を除く): 13106800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 197, 208, 217, 248, 364, 394, 403, 434, 496, 728, 788, 806, 868, 1379, 1456, 1576, 1612, 1736, 2561, 2758, 2821, 3152, 3224, 3472, 5122, 5516, 5642, 6107, 6448, 10244, 11032, 11284, 12214, 17927, 20488, 22064, 22568, 24428, 35854, 40976, 42749, 45136, 48856, 71708, 79391, 85498, 97712, 143416, 158782, 170996, 286832, 317564, 341992, 555737, 635128, 683984, 1111474, 1270256, 2222948, 4445896, 8891792]

約数ペア:

[(1, 8891792), (2, 4445896), (4, 2222948), (7, 1270256), (8, 1111474), (13, 683984), (14, 635128), (16, 555737), (26, 341992), (28, 317564), (31, 286832), (52, 170996), (56, 158782), (62, 143416), (91, 97712), (104, 85498), (112, 79391), (124, 71708), (182, 48856), (197, 45136), (208, 42749), (217, 40976), (248, 35854), (364, 24428), (394, 22568), (403, 22064), (434, 20488), (496, 17927), (728, 12214), (788, 11284), (806, 11032), (868, 10244), (1379, 6448), (1456, 6107), (1576, 5642), (1612, 5516), (1736, 5122), (2561, 3472), (2758, 3224), (2821, 3152)]