251937616

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1583}}^1$

素因数の和:1641

約数の個数: 80

約数和(自身を含む): 589248000

約数和(自身を除く): 337310384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 343, 392, 406, 464, 686, 784, 812, 1372, 1421, 1583, 1624, 2744, 2842, 3166, 3248, 5488, 5684, 6332, 9947, 11081, 11368, 12664, 19894, 22162, 22736, 25328, 39788, 44324, 45907, 77567, 79576, 88648, 91814, 155134, 159152, 177296, 183628, 310268, 321349, 367256, 542969, 620536, 642698, 734512, 1085938, 1241072, 1285396, 2171876, 2249443, 2570792, 4343752, 4498886, 5141584, 8687504, 8997772, 15746101, 17995544, 31492202, 35991088, 62984404, 125968808, 251937616]

約数ペア:

[(1, 251937616), (2, 125968808), (4, 62984404), (7, 35991088), (8, 31492202), (14, 17995544), (16, 15746101), (28, 8997772), (29, 8687504), (49, 5141584), (56, 4498886), (58, 4343752), (98, 2570792), (112, 2249443), (116, 2171876), (196, 1285396), (203, 1241072), (232, 1085938), (343, 734512), (392, 642698), (406, 620536), (464, 542969), (686, 367256), (784, 321349), (812, 310268), (1372, 183628), (1421, 177296), (1583, 159152), (1624, 155134), (2744, 91814), (2842, 88648), (3166, 79576), (3248, 77567), (5488, 45907), (5684, 44324), (6332, 39788), (9947, 25328), (11081, 22736), (11368, 22162), (12664, 19894)]