257979744

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^3\times {\mathrm{673}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 808136784

約数和(自身を除く): 550157040

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 673, 726, 792, 968, 1056, 1089, 1331, 1346, 1452, 1584, 1936, 2019, 2178, 2662, 2692, 2904, 3168, 3872, 3993, 4038, 4356, 5324, 5384, 5808, 6057, 7403, 7986, 8076, 8712, 10648, 10768, 11616, 11979, 12114, 14806, 15972, 16152, 17424, 21296, 21536, 22209, 23958, 24228, 29612, 31944, 32304, 34848, 42592, 44418, 47916, 48456, 59224, 63888, 64608, 66627, 81433, 88836, 95832, 96912, 118448, 127776, 133254, 162866, 177672, 191664, 193824, 236896, 244299, 266508, 325732, 355344, 383328, 488598, 533016, 651464, 710688, 732897, 895763, 977196, 1066032, 1302928, 1465794, 1791526, 1954392, 2132064, 2605856, 2687289, 2931588, 3583052, 3908784, 5374578, 5863176, 7166104, 7817568, 8061867, 10749156, 11726352, 14332208, 16123734, 21498312, 23452704, 28664416, 32247468, 42996624, 64494936, 85993248, 128989872, 257979744]

約数ペア:

[(1, 257979744), (2, 128989872), (3, 85993248), (4, 64494936), (6, 42996624), (8, 32247468), (9, 28664416), (11, 23452704), (12, 21498312), (16, 16123734), (18, 14332208), (22, 11726352), (24, 10749156), (32, 8061867), (33, 7817568), (36, 7166104), (44, 5863176), (48, 5374578), (66, 3908784), (72, 3583052), (88, 2931588), (96, 2687289), (99, 2605856), (121, 2132064), (132, 1954392), (144, 1791526), (176, 1465794), (198, 1302928), (242, 1066032), (264, 977196), (288, 895763), (352, 732897), (363, 710688), (396, 651464), (484, 533016), (528, 488598), (673, 383328), (726, 355344), (792, 325732), (968, 266508), (1056, 244299), (1089, 236896), (1331, 193824), (1346, 191664), (1452, 177672), (1584, 162866), (1936, 133254), (2019, 127776), (2178, 118448), (2662, 96912), (2692, 95832), (2904, 88836), (3168, 81433), (3872, 66627), (3993, 64608), (4038, 63888), (4356, 59224), (5324, 48456), (5384, 47916), (5808, 44418), (6057, 42592), (7403, 34848), (7986, 32304), (8076, 31944), (8712, 29612), (10648, 24228), (10768, 23958), (11616, 22209), (11979, 21536), (12114, 21296), (14806, 17424), (15972, 16152)]