208778416

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 526198464

約数和(自身を除く): 317420048

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 49, 56, 77, 86, 88, 98, 112, 154, 172, 176, 196, 301, 308, 344, 392, 473, 539, 563, 602, 616, 688, 784, 946, 1078, 1126, 1204, 1232, 1892, 2107, 2156, 2252, 2408, 3311, 3784, 3941, 4214, 4312, 4504, 4816, 6193, 6622, 7568, 7882, 8428, 8624, 9008, 12386, 13244, 15764, 16856, 23177, 24209, 24772, 26488, 27587, 31528, 33712, 43351, 46354, 48418, 49544, 52976, 55174, 63056, 86702, 92708, 96836, 99088, 110348, 169463, 173404, 185416, 193672, 220696, 266299, 303457, 338926, 346808, 370832, 387344, 441392, 532598, 606914, 677852, 693616, 1065196, 1186241, 1213828, 1355704, 1864093, 2130392, 2372482, 2427656, 2711408, 3728186, 4260784, 4744964, 4855312, 7456372, 9489928, 13048651, 14912744, 18979856, 26097302, 29825488, 52194604, 104389208, 208778416]

約数ペア:

[(1, 208778416), (2, 104389208), (4, 52194604), (7, 29825488), (8, 26097302), (11, 18979856), (14, 14912744), (16, 13048651), (22, 9489928), (28, 7456372), (43, 4855312), (44, 4744964), (49, 4260784), (56, 3728186), (77, 2711408), (86, 2427656), (88, 2372482), (98, 2130392), (112, 1864093), (154, 1355704), (172, 1213828), (176, 1186241), (196, 1065196), (301, 693616), (308, 677852), (344, 606914), (392, 532598), (473, 441392), (539, 387344), (563, 370832), (602, 346808), (616, 338926), (688, 303457), (784, 266299), (946, 220696), (1078, 193672), (1126, 185416), (1204, 173404), (1232, 169463), (1892, 110348), (2107, 99088), (2156, 96836), (2252, 92708), (2408, 86702), (3311, 63056), (3784, 55174), (3941, 52976), (4214, 49544), (4312, 48418), (4504, 46354), (4816, 43351), (6193, 33712), (6622, 31528), (7568, 27587), (7882, 26488), (8428, 24772), (8624, 24209), (9008, 23177), (12386, 16856), (13244, 15764)]