201957025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 272523852

約数和(自身を除く): 70566827

約数列:

[1, 5, 17, 25, 43, 85, 215, 257, 425, 731, 1075, 1285, 1849, 3655, 4369, 6425, 9245, 11051, 18275, 21845, 31433, 46225, 55255, 109225, 157165, 187867, 276275, 475193, 785825, 939335, 2375965, 4696675, 8078281, 11879825, 40391405, 201957025]

約数ペア:

[(1, 201957025), (5, 40391405), (17, 11879825), (25, 8078281), (43, 4696675), (85, 2375965), (215, 939335), (257, 785825), (425, 475193), (731, 276275), (1075, 187867), (1285, 157165), (1849, 109225), (3655, 55255), (4369, 46225), (6425, 31433), (9245, 21845), (11051, 18275)]