1640958

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 3822336

約数和(自身を除く): 2181378

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 47, 66, 69, 94, 138, 141, 253, 282, 506, 517, 529, 759, 1034, 1058, 1081, 1518, 1551, 1587, 2162, 3102, 3174, 3243, 5819, 6486, 11638, 11891, 17457, 23782, 24863, 34914, 35673, 49726, 71346, 74589, 149178, 273493, 546986, 820479, 1640958]

約数ペア:

[(1, 1640958), (2, 820479), (3, 546986), (6, 273493), (11, 149178), (22, 74589), (23, 71346), (33, 49726), (46, 35673), (47, 34914), (66, 24863), (69, 23782), (94, 17457), (138, 11891), (141, 11638), (253, 6486), (282, 5819), (506, 3243), (517, 3174), (529, 3102), (759, 2162), (1034, 1587), (1058, 1551), (1081, 1518)]