897219455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{2393}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 1247254848

約数和(自身を除く): 350035393

約数列:

[1, 5, 11, 17, 55, 85, 187, 401, 935, 2005, 2393, 4411, 6817, 11965, 22055, 26323, 34085, 40681, 74987, 131615, 203405, 374935, 447491, 959593, 2237455, 4797965, 10555523, 16313081, 52777615, 81565405, 179443891, 897219455]

約数ペア:

[(1, 897219455), (5, 179443891), (11, 81565405), (17, 52777615), (55, 16313081), (85, 10555523), (187, 4797965), (401, 2237455), (935, 959593), (2005, 447491), (2393, 374935), (4411, 203405), (6817, 131615), (11965, 74987), (22055, 40681), (26323, 34085)]