51241985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 66493440

約数和(自身を除く): 15251455

約数列:

[1, 5, 29, 47, 73, 103, 145, 235, 365, 515, 1363, 2117, 2987, 3431, 4841, 6815, 7519, 10585, 14935, 17155, 24205, 37595, 99499, 140389, 218051, 353393, 497495, 701945, 1090255, 1766965, 10248397, 51241985]

約数ペア:

[(1, 51241985), (5, 10248397), (29, 1766965), (47, 1090255), (73, 701945), (103, 497495), (145, 353393), (235, 218051), (365, 140389), (515, 99499), (1363, 37595), (2117, 24205), (2987, 17155), (3431, 14935), (4841, 10585), (6815, 7519)]