201988045

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28429}}^1$

素因数の和:28477

約数の個数: 24

約数和(自身を含む): 291691800

約数和(自身を除く): 89703755

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 28429, 142145, 199003, 824441, 995015, 1393021, 4122205, 5771087, 6965105, 28855435, 40397609, 201988045]

約数ペア:

[(1, 201988045), (5, 40397609), (7, 28855435), (29, 6965105), (35, 5771087), (49, 4122205), (145, 1393021), (203, 995015), (245, 824441), (1015, 199003), (1421, 142145), (7105, 28429)]