28213996895

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{15581}}^1$

素因数の和:16008

約数の個数: 48

約数和(自身を含む): 41566543200

約数和(自身を除く): 13352546305

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 389, 665, 931, 1945, 2723, 4655, 7391, 13615, 15581, 19061, 36955, 51737, 77905, 95305, 109067, 258685, 296039, 362159, 545335, 763469, 1480195, 1810795, 2072273, 3817345, 6061009, 10361365, 14505911, 30305045, 42427063, 72529555, 115159171, 212135315, 296989441, 575795855, 806114197, 1484947205, 4030570985, 5642799379, 28213996895]

約数ペア:

[(1, 28213996895), (5, 5642799379), (7, 4030570985), (19, 1484947205), (35, 806114197), (49, 575795855), (95, 296989441), (133, 212135315), (245, 115159171), (389, 72529555), (665, 42427063), (931, 30305045), (1945, 14505911), (2723, 10361365), (4655, 6061009), (7391, 3817345), (13615, 2072273), (15581, 1810795), (19061, 1480195), (36955, 763469), (51737, 545335), (77905, 362159), (95305, 296039), (109067, 258685)]