247857896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 585446400

約数和(自身を除く): 337588504

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 31, 44, 52, 58, 62, 88, 104, 116, 124, 143, 232, 241, 248, 286, 319, 341, 377, 403, 482, 572, 638, 682, 754, 806, 899, 964, 1144, 1276, 1364, 1508, 1612, 1798, 1928, 2552, 2651, 2728, 3016, 3133, 3224, 3596, 4147, 4433, 5302, 6266, 6989, 7192, 7471, 8294, 8866, 9889, 10604, 11687, 12532, 13978, 14942, 16588, 17732, 19778, 21208, 23374, 25064, 27956, 29884, 33176, 34463, 35464, 39556, 46748, 55912, 59768, 68926, 76879, 79112, 82181, 90857, 93496, 97123, 128557, 137852, 153758, 164362, 181714, 194246, 216659, 257114, 275704, 307516, 328724, 363428, 388492, 433318, 514228, 615032, 657448, 726856, 776984, 866636, 999427, 1028456, 1068353, 1733272, 1998854, 2136706, 2383249, 2816567, 3997708, 4273412, 4766498, 5633134, 7995416, 8546824, 9532996, 11266268, 19065992, 22532536, 30982237, 61964474, 123928948, 247857896]

約数ペア:

[(1, 247857896), (2, 123928948), (4, 61964474), (8, 30982237), (11, 22532536), (13, 19065992), (22, 11266268), (26, 9532996), (29, 8546824), (31, 7995416), (44, 5633134), (52, 4766498), (58, 4273412), (62, 3997708), (88, 2816567), (104, 2383249), (116, 2136706), (124, 1998854), (143, 1733272), (232, 1068353), (241, 1028456), (248, 999427), (286, 866636), (319, 776984), (341, 726856), (377, 657448), (403, 615032), (482, 514228), (572, 433318), (638, 388492), (682, 363428), (754, 328724), (806, 307516), (899, 275704), (964, 257114), (1144, 216659), (1276, 194246), (1364, 181714), (1508, 164362), (1612, 153758), (1798, 137852), (1928, 128557), (2552, 97123), (2651, 93496), (2728, 90857), (3016, 82181), (3133, 79112), (3224, 76879), (3596, 68926), (4147, 59768), (4433, 55912), (5302, 46748), (6266, 39556), (6989, 35464), (7192, 34463), (7471, 33176), (8294, 29884), (8866, 27956), (9889, 25064), (10604, 23374), (11687, 21208), (12532, 19778), (13978, 17732), (14942, 16588)]