258624388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 503254080

約数和(自身を除く): 244629692

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 211, 313, 356, 422, 626, 844, 979, 1252, 1958, 2321, 3443, 3916, 4642, 6886, 9284, 13772, 18779, 27857, 37558, 55714, 66043, 75116, 111428, 132086, 206569, 264172, 306427, 413138, 612854, 726473, 826276, 1225708, 1452946, 2905892, 5877827, 11755654, 23511308, 64656097, 129312194, 258624388]

約数ペア:

[(1, 258624388), (2, 129312194), (4, 64656097), (11, 23511308), (22, 11755654), (44, 5877827), (89, 2905892), (178, 1452946), (211, 1225708), (313, 826276), (356, 726473), (422, 612854), (626, 413138), (844, 306427), (979, 264172), (1252, 206569), (1958, 132086), (2321, 111428), (3443, 75116), (3916, 66043), (4642, 55714), (6886, 37558), (9284, 27857), (13772, 18779)]