256591464

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 664727040

約数和(自身を除く): 408135576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 353, 372, 706, 744, 977, 1059, 1412, 1954, 2118, 2824, 2931, 3908, 4236, 5862, 7816, 8472, 10943, 11724, 21886, 23448, 30287, 32829, 43772, 60574, 65658, 87544, 90861, 121148, 131316, 181722, 242296, 262632, 344881, 363444, 689762, 726888, 1034643, 1379524, 2069286, 2759048, 4138572, 8277144, 10691311, 21382622, 32073933, 42765244, 64147866, 85530488, 128295732, 256591464]

約数ペア:

[(1, 256591464), (2, 128295732), (3, 85530488), (4, 64147866), (6, 42765244), (8, 32073933), (12, 21382622), (24, 10691311), (31, 8277144), (62, 4138572), (93, 2759048), (124, 2069286), (186, 1379524), (248, 1034643), (353, 726888), (372, 689762), (706, 363444), (744, 344881), (977, 262632), (1059, 242296), (1412, 181722), (1954, 131316), (2118, 121148), (2824, 90861), (2931, 87544), (3908, 65658), (4236, 60574), (5862, 43772), (7816, 32829), (8472, 30287), (10943, 23448), (11724, 21886)]