249908856

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1307}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 647930880

約数和(自身を除く): 398022024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 257, 372, 514, 744, 771, 1028, 1307, 1542, 2056, 2614, 3084, 3921, 5228, 6168, 7842, 7967, 10456, 15684, 15934, 23901, 31368, 31868, 40517, 47802, 63736, 81034, 95604, 121551, 162068, 191208, 243102, 324136, 335899, 486204, 671798, 972408, 1007697, 1343596, 2015394, 2687192, 4030788, 8061576, 10412869, 20825738, 31238607, 41651476, 62477214, 83302952, 124954428, 249908856]

約数ペア:

[(1, 249908856), (2, 124954428), (3, 83302952), (4, 62477214), (6, 41651476), (8, 31238607), (12, 20825738), (24, 10412869), (31, 8061576), (62, 4030788), (93, 2687192), (124, 2015394), (186, 1343596), (248, 1007697), (257, 972408), (372, 671798), (514, 486204), (744, 335899), (771, 324136), (1028, 243102), (1307, 191208), (1542, 162068), (2056, 121551), (2614, 95604), (3084, 81034), (3921, 63736), (5228, 47802), (6168, 40517), (7842, 31868), (7967, 31368), (10456, 23901), (15684, 15934)]