1997891935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1\times {\mathrm{2339}}^1$

素因数の和:3147

約数の個数: 32

約数和(自身を含む): 2738473920

約数和(自身を除く): 740581985

約数列:

[1, 5, 13, 17, 65, 85, 221, 773, 1105, 2339, 3865, 10049, 11695, 13141, 30407, 39763, 50245, 65705, 152035, 170833, 198815, 516919, 854165, 1808047, 2584595, 9040235, 23504611, 30736799, 117523055, 153683995, 399578387, 1997891935]

約数ペア:

[(1, 1997891935), (5, 399578387), (13, 153683995), (17, 117523055), (65, 30736799), (85, 23504611), (221, 9040235), (773, 2584595), (1105, 1808047), (2339, 854165), (3865, 516919), (10049, 198815), (11695, 170833), (13141, 152035), (30407, 65705), (39763, 50245)]