81365046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21767}}^1$

素因数の和:21868

約数の個数: 32

約数和(自身を含む): 188075520

約数和(自身を除く): 106710474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 21767, 43534, 65301, 130602, 152369, 304738, 457107, 914214, 1937263, 3874526, 5811789, 11623578, 13560841, 27121682, 40682523, 81365046]

約数ペア:

[(1, 81365046), (2, 40682523), (3, 27121682), (6, 13560841), (7, 11623578), (14, 5811789), (21, 3874526), (42, 1937263), (89, 914214), (178, 457107), (267, 304738), (534, 152369), (623, 130602), (1246, 65301), (1869, 43534), (3738, 21767)]