257896626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106657}}^1$

素因数の和:106706

約数の個数: 32

約数和(自身を含む): 573393408

約数和(自身を除く): 315496782

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 106657, 213314, 319971, 639942, 1386541, 2773082, 3306367, 4159623, 6612734, 8319246, 9919101, 19838202, 42982771, 85965542, 128948313, 257896626]

約数ペア:

[(1, 257896626), (2, 128948313), (3, 85965542), (6, 42982771), (13, 19838202), (26, 9919101), (31, 8319246), (39, 6612734), (62, 4159623), (78, 3306367), (93, 2773082), (186, 1386541), (403, 639942), (806, 319971), (1209, 213314), (2418, 106657)]