205716095

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 272690880

約数和(自身を除く): 66974785

約数列:

[1, 5, 13, 61, 65, 169, 305, 307, 793, 845, 1535, 2197, 3965, 3991, 10309, 10985, 18727, 19955, 51545, 51883, 93635, 134017, 243451, 259415, 670085, 674479, 1217255, 3164863, 3372395, 15824315, 41143219, 205716095]

約数ペア:

[(1, 205716095), (5, 41143219), (13, 15824315), (61, 3372395), (65, 3164863), (169, 1217255), (305, 674479), (307, 670085), (793, 259415), (845, 243451), (1535, 134017), (2197, 93635), (3965, 51883), (3991, 51545), (10309, 19955), (10985, 18727)]