689678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 1244160

約数和(自身を除く): 554482

約数列:

[1, 2, 11, 22, 23, 29, 46, 47, 58, 94, 253, 319, 506, 517, 638, 667, 1034, 1081, 1334, 1363, 2162, 2726, 7337, 11891, 14674, 14993, 23782, 29986, 31349, 62698, 344839, 689678]

約数ペア:

[(1, 689678), (2, 344839), (11, 62698), (22, 31349), (23, 29986), (29, 23782), (46, 14993), (47, 14674), (58, 11891), (94, 7337), (253, 2726), (319, 2162), (506, 1363), (517, 1334), (638, 1081), (667, 1034)]