207920425

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1931}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 265920480

約数和(自身を除く): 58000055

約数列:

[1, 5, 25, 59, 73, 295, 365, 1475, 1825, 1931, 4307, 9655, 21535, 48275, 107675, 113929, 140963, 569645, 704815, 2848225, 3524075, 8316817, 41584085, 207920425]

約数ペア:

[(1, 207920425), (5, 41584085), (25, 8316817), (59, 3524075), (73, 2848225), (295, 704815), (365, 569645), (1475, 140963), (1825, 113929), (1931, 107675), (4307, 48275), (9655, 21535)]