19780628

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7283}}^1$

素因数の和:7391

約数の個数: 24

約数和(自身を含む): 39974592

約数和(自身を除く): 20193964

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7283, 14566, 29132, 50981, 101962, 203924, 706451, 1412902, 2825804, 4945157, 9890314, 19780628]

約数ペア:

[(1, 19780628), (2, 9890314), (4, 4945157), (7, 2825804), (14, 1412902), (28, 706451), (97, 203924), (194, 101962), (388, 50981), (679, 29132), (1358, 14566), (2716, 7283)]