20161651657

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 23655297024

約数和(自身を除く): 3493645367

約数列:

[1, 7, 73, 107, 491, 511, 749, 751, 3437, 5257, 7811, 35843, 52537, 54677, 54823, 80357, 250901, 367759, 368741, 383761, 562499, 2581187, 3835201, 5866061, 26846407, 26918093, 39455287, 41062427, 188426651, 276187009, 2880235951, 20161651657]

約数ペア:

[(1, 20161651657), (7, 2880235951), (73, 276187009), (107, 188426651), (491, 41062427), (511, 39455287), (749, 26918093), (751, 26846407), (3437, 5866061), (5257, 3835201), (7811, 2581187), (35843, 562499), (52537, 383761), (54677, 368741), (54823, 367759), (80357, 250901)]