257496168

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{346097}}^1$

素因数の和:346137

約数の個数: 32

約数和(自身を含む): 664508160

約数和(自身を除く): 407011992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 346097, 692194, 1038291, 1384388, 2076582, 2768776, 4153164, 8306328, 10729007, 21458014, 32187021, 42916028, 64374042, 85832056, 128748084, 257496168]

約数ペア:

[(1, 257496168), (2, 128748084), (3, 85832056), (4, 64374042), (6, 42916028), (8, 32187021), (12, 21458014), (24, 10729007), (31, 8306328), (62, 4153164), (93, 2768776), (124, 2076582), (186, 1384388), (248, 1038291), (372, 692194), (744, 346097)]