202030985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^2$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 273977676

約数和(自身を除く): 71946691

約数列:

[1, 5, 13, 41, 43, 65, 205, 215, 533, 559, 1681, 1763, 1849, 2665, 2795, 8405, 8815, 9245, 21853, 22919, 24037, 72283, 75809, 109265, 114595, 120185, 361415, 379045, 939679, 985517, 3108169, 4698395, 4927585, 15540845, 40406197, 202030985]

約数ペア:

[(1, 202030985), (5, 40406197), (13, 15540845), (41, 4927585), (43, 4698395), (65, 3108169), (205, 985517), (215, 939679), (533, 379045), (559, 361415), (1681, 120185), (1763, 114595), (1849, 109265), (2665, 75809), (2795, 72283), (8405, 24037), (8815, 22919), (9245, 21853)]