68420464

素因数分解:

$2^4\times 7^2\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:662

約数の個数: 60

約数和(自身を含む): 155340504

約数和(自身を除く): 86920040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 197, 392, 394, 443, 784, 788, 886, 1379, 1576, 1772, 2758, 3101, 3152, 3544, 5516, 6202, 7088, 9653, 11032, 12404, 19306, 21707, 22064, 24808, 38612, 43414, 49616, 77224, 86828, 87271, 154448, 173656, 174542, 347312, 349084, 610897, 698168, 1221794, 1396336, 2443588, 4276279, 4887176, 8552558, 9774352, 17105116, 34210232, 68420464]

約数ペア:

[(1, 68420464), (2, 34210232), (4, 17105116), (7, 9774352), (8, 8552558), (14, 4887176), (16, 4276279), (28, 2443588), (49, 1396336), (56, 1221794), (98, 698168), (112, 610897), (196, 349084), (197, 347312), (392, 174542), (394, 173656), (443, 154448), (784, 87271), (788, 86828), (886, 77224), (1379, 49616), (1576, 43414), (1772, 38612), (2758, 24808), (3101, 22064), (3152, 21707), (3544, 19306), (5516, 12404), (6202, 11032), (7088, 9653)]