393973555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:7023

約数の個数: 32

約数和(自身を含む): 540432000

約数和(自身を除く): 146458445

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 391, 493, 667, 1955, 2465, 3335, 6949, 11339, 34745, 56695, 118133, 159827, 201521, 590665, 799135, 1007605, 2717059, 3425857, 4634983, 13585295, 17129285, 23174915, 78794711, 393973555]

約数ペア:

[(1, 393973555), (5, 78794711), (17, 23174915), (23, 17129285), (29, 13585295), (85, 4634983), (115, 3425857), (145, 2717059), (391, 1007605), (493, 799135), (667, 590665), (1955, 201521), (2465, 159827), (3335, 118133), (6949, 56695), (11339, 34745)]