255453985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3187}}^1$

素因数の和:3273

約数の個数: 32

約数和(自身を含む): 347058432

約数和(自身を除く): 91604447

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3187, 3485, 4715, 15935, 16031, 54179, 73301, 80155, 130667, 270895, 366505, 653335, 1246117, 2221339, 3005341, 6230585, 11106695, 15026705, 51090797, 255453985]

約数ペア:

[(1, 255453985), (5, 51090797), (17, 15026705), (23, 11106695), (41, 6230585), (85, 3005341), (115, 2221339), (205, 1246117), (391, 653335), (697, 366505), (943, 270895), (1955, 130667), (3187, 80155), (3485, 73301), (4715, 54179), (15935, 16031)]