201620216545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{105071}}^1$

素因数の和:105477

約数の個数: 32

約数和(自身を含む): 266899691520

約数和(自身を除く): 65279474975

約数列:

[1, 5, 11, 55, 139, 251, 695, 1255, 1529, 2761, 7645, 13805, 34889, 105071, 174445, 383779, 525355, 1155781, 1918895, 5778905, 14604869, 26372821, 73024345, 131864105, 160653559, 290101031, 803267795, 1450505155, 3665822119, 18329110595, 40324043309, 201620216545]

約数ペア:

[(1, 201620216545), (5, 40324043309), (11, 18329110595), (55, 3665822119), (139, 1450505155), (251, 803267795), (695, 290101031), (1255, 160653559), (1529, 131864105), (2761, 73024345), (7645, 26372821), (13805, 14604869), (34889, 5778905), (105071, 1918895), (174445, 1155781), (383779, 525355)]