128511306

素因数分解:

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

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 367902720

約数和(自身を除く): 239391414

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 31, 33, 42, 54, 62, 63, 66, 77, 93, 99, 126, 154, 186, 189, 198, 217, 231, 279, 297, 341, 378, 434, 462, 558, 594, 651, 682, 693, 837, 997, 1023, 1302, 1386, 1674, 1953, 1994, 2046, 2079, 2387, 2991, 3069, 3906, 4158, 4774, 5859, 5982, 6138, 6979, 7161, 8973, 9207, 10967, 11718, 13958, 14322, 17946, 18414, 20937, 21483, 21934, 26919, 30907, 32901, 41874, 42966, 53838, 61814, 62811, 64449, 65802, 76769, 92721, 98703, 125622, 128898, 153538, 185442, 188433, 197406, 216349, 230307, 278163, 296109, 339977, 376866, 432698, 460614, 556326, 592218, 649047, 679954, 690921, 834489, 1019931, 1298094, 1381842, 1668978, 1947141, 2039862, 2072763, 2379839, 3059793, 3894282, 4145526, 4759678, 5841423, 6119586, 7139517, 9179379, 11682846, 14279034, 18358758, 21418551, 42837102, 64255653, 128511306]

約数ペア:

[(1, 128511306), (2, 64255653), (3, 42837102), (6, 21418551), (7, 18358758), (9, 14279034), (11, 11682846), (14, 9179379), (18, 7139517), (21, 6119586), (22, 5841423), (27, 4759678), (31, 4145526), (33, 3894282), (42, 3059793), (54, 2379839), (62, 2072763), (63, 2039862), (66, 1947141), (77, 1668978), (93, 1381842), (99, 1298094), (126, 1019931), (154, 834489), (186, 690921), (189, 679954), (198, 649047), (217, 592218), (231, 556326), (279, 460614), (297, 432698), (341, 376866), (378, 339977), (434, 296109), (462, 278163), (558, 230307), (594, 216349), (651, 197406), (682, 188433), (693, 185442), (837, 153538), (997, 128898), (1023, 125622), (1302, 98703), (1386, 92721), (1674, 76769), (1953, 65802), (1994, 64449), (2046, 62811), (2079, 61814), (2387, 53838), (2991, 42966), (3069, 41874), (3906, 32901), (4158, 30907), (4774, 26919), (5859, 21934), (5982, 21483), (6138, 20937), (6979, 18414), (7161, 17946), (8973, 14322), (9207, 13958), (10967, 11718)]