72978316

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{50539}}^1$

素因数の和:50581

約数の個数: 18

約数和(自身を含む): 134790180

約数和(自身を除く): 61811864

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 50539, 101078, 202156, 960241, 1920482, 3840964, 18244579, 36489158, 72978316]

約数ペア:

[(1, 72978316), (2, 36489158), (4, 18244579), (19, 3840964), (38, 1920482), (76, 960241), (361, 202156), (722, 101078), (1444, 50539)]