1620568885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{983}}^1\times {\mathrm{1951}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 2109003264

約数和(自身を除く): 488434379

約数列:

[1, 5, 13, 65, 169, 845, 983, 1951, 4915, 9755, 12779, 25363, 63895, 126815, 166127, 329719, 830635, 1648595, 1917833, 9589165, 24931829, 124659145, 324113777, 1620568885]

約数ペア:

[(1, 1620568885), (5, 324113777), (13, 124659145), (65, 24931829), (169, 9589165), (845, 1917833), (983, 1648595), (1951, 830635), (4915, 329719), (9755, 166127), (12779, 126815), (25363, 63895)]