68707408

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 175060224

約数和(自身を除く): 106352816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 248, 257, 308, 341, 392, 434, 496, 514, 539, 616, 682, 784, 868, 1028, 1078, 1232, 1364, 1519, 1736, 1799, 2056, 2156, 2387, 2728, 2827, 3038, 3472, 3598, 4112, 4312, 4774, 5456, 5654, 6076, 7196, 7967, 8624, 9548, 11308, 12152, 12593, 14392, 15934, 16709, 19096, 19789, 22616, 24304, 25186, 28784, 31868, 33418, 38192, 39578, 45232, 50372, 55769, 63736, 66836, 79156, 87637, 100744, 111538, 127472, 133672, 138523, 158312, 175274, 201488, 223076, 267344, 277046, 316624, 350548, 390383, 446152, 554092, 613459, 701096, 780766, 892304, 1108184, 1226918, 1402192, 1561532, 2216368, 2453836, 3123064, 4294213, 4907672, 6246128, 8588426, 9815344, 17176852, 34353704, 68707408]

約数ペア:

[(1, 68707408), (2, 34353704), (4, 17176852), (7, 9815344), (8, 8588426), (11, 6246128), (14, 4907672), (16, 4294213), (22, 3123064), (28, 2453836), (31, 2216368), (44, 1561532), (49, 1402192), (56, 1226918), (62, 1108184), (77, 892304), (88, 780766), (98, 701096), (112, 613459), (124, 554092), (154, 446152), (176, 390383), (196, 350548), (217, 316624), (248, 277046), (257, 267344), (308, 223076), (341, 201488), (392, 175274), (434, 158312), (496, 138523), (514, 133672), (539, 127472), (616, 111538), (682, 100744), (784, 87637), (868, 79156), (1028, 66836), (1078, 63736), (1232, 55769), (1364, 50372), (1519, 45232), (1736, 39578), (1799, 38192), (2056, 33418), (2156, 31868), (2387, 28784), (2728, 25186), (2827, 24304), (3038, 22616), (3472, 19789), (3598, 19096), (4112, 16709), (4312, 15934), (4774, 14392), (5456, 12593), (5654, 12152), (6076, 11308), (7196, 9548), (7967, 8624)]