203856265

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 263656512

約数和(自身を除く): 59800247

約数列:

[1, 5, 17, 71, 85, 289, 355, 1207, 1445, 1987, 6035, 9935, 20519, 33779, 102595, 141077, 168895, 574243, 705385, 2398309, 2871215, 11991545, 40771253, 203856265]

約数ペア:

[(1, 203856265), (5, 40771253), (17, 11991545), (71, 2871215), (85, 2398309), (289, 705385), (355, 574243), (1207, 168895), (1445, 141077), (1987, 102595), (6035, 33779), (9935, 20519)]