257022612

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1059

約数の個数: 192

約数和(自身を含む): 858439680

約数和(自身を除く): 601417068

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 84, 93, 99, 108, 124, 126, 132, 154, 186, 189, 198, 217, 231, 252, 279, 297, 308, 341, 372, 378, 396, 434, 462, 558, 594, 651, 682, 693, 756, 837, 868, 924, 997, 1023, 1116, 1188, 1302, 1364, 1386, 1674, 1953, 1994, 2046, 2079, 2387, 2604, 2772, 2991, 3069, 3348, 3906, 3988, 4092, 4158, 4774, 5859, 5982, 6138, 6979, 7161, 7812, 8316, 8973, 9207, 9548, 10967, 11718, 11964, 12276, 13958, 14322, 17946, 18414, 20937, 21483, 21934, 23436, 26919, 27916, 28644, 30907, 32901, 35892, 36828, 41874, 42966, 43868, 53838, 61814, 62811, 64449, 65802, 76769, 83748, 85932, 92721, 98703, 107676, 123628, 125622, 128898, 131604, 153538, 185442, 188433, 197406, 216349, 230307, 251244, 257796, 278163, 296109, 307076, 339977, 370884, 376866, 394812, 432698, 460614, 556326, 592218, 649047, 679954, 690921, 753732, 834489, 865396, 921228, 1019931, 1112652, 1184436, 1298094, 1359908, 1381842, 1668978, 1947141, 2039862, 2072763, 2379839, 2596188, 2763684, 3059793, 3337956, 3894282, 4079724, 4145526, 4759678, 5841423, 6119586, 7139517, 7788564, 8291052, 9179379, 9519356, 11682846, 12239172, 14279034, 18358758, 21418551, 23365692, 28558068, 36717516, 42837102, 64255653, 85674204, 128511306, 257022612]

約数ペア:

[(1, 257022612), (2, 128511306), (3, 85674204), (4, 64255653), (6, 42837102), (7, 36717516), (9, 28558068), (11, 23365692), (12, 21418551), (14, 18358758), (18, 14279034), (21, 12239172), (22, 11682846), (27, 9519356), (28, 9179379), (31, 8291052), (33, 7788564), (36, 7139517), (42, 6119586), (44, 5841423), (54, 4759678), (62, 4145526), (63, 4079724), (66, 3894282), (77, 3337956), (84, 3059793), (93, 2763684), (99, 2596188), (108, 2379839), (124, 2072763), (126, 2039862), (132, 1947141), (154, 1668978), (186, 1381842), (189, 1359908), (198, 1298094), (217, 1184436), (231, 1112652), (252, 1019931), (279, 921228), (297, 865396), (308, 834489), (341, 753732), (372, 690921), (378, 679954), (396, 649047), (434, 592218), (462, 556326), (558, 460614), (594, 432698), (651, 394812), (682, 376866), (693, 370884), (756, 339977), (837, 307076), (868, 296109), (924, 278163), (997, 257796), (1023, 251244), (1116, 230307), (1188, 216349), (1302, 197406), (1364, 188433), (1386, 185442), (1674, 153538), (1953, 131604), (1994, 128898), (2046, 125622), (2079, 123628), (2387, 107676), (2604, 98703), (2772, 92721), (2991, 85932), (3069, 83748), (3348, 76769), (3906, 65802), (3988, 64449), (4092, 62811), (4158, 61814), (4774, 53838), (5859, 43868), (5982, 42966), (6138, 41874), (6979, 36828), (7161, 35892), (7812, 32901), (8316, 30907), (8973, 28644), (9207, 27916), (9548, 26919), (10967, 23436), (11718, 21934), (11964, 21483), (12276, 20937), (13958, 18414), (14322, 17946)]