890991766

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{4999}}^1$

素因数の和:5476

約数の個数: 32

約数和(自身を含む): 1584000000

約数和(自身を除く): 693008234

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 439, 878, 3073, 4999, 6146, 9998, 12731, 25462, 34993, 69986, 89117, 144971, 178234, 289942, 1014797, 2029594, 2194561, 4389122, 15361927, 30723854, 63642269, 127284538, 445495883, 890991766]

約数ペア:

[(1, 890991766), (2, 445495883), (7, 127284538), (14, 63642269), (29, 30723854), (58, 15361927), (203, 4389122), (406, 2194561), (439, 2029594), (878, 1014797), (3073, 289942), (4999, 178234), (6146, 144971), (9998, 89117), (12731, 69986), (25462, 34993)]