28106705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 10213423

約数列:

[1, 5, 11, 47, 55, 83, 131, 235, 415, 517, 655, 913, 1441, 2585, 3901, 4565, 6157, 7205, 10873, 19505, 30785, 42911, 54365, 67727, 119603, 214555, 338635, 511031, 598015, 2555155, 5621341, 28106705]

約数ペア:

[(1, 28106705), (5, 5621341), (11, 2555155), (47, 598015), (55, 511031), (83, 338635), (131, 214555), (235, 119603), (415, 67727), (517, 54365), (655, 42911), (913, 30785), (1441, 19505), (2585, 10873), (3901, 7205), (4565, 6157)]