256316685

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 418160640

約数和(自身を除く): 161843955

約数列:

[1, 3, 5, 15, 79, 163, 237, 395, 489, 815, 1185, 1327, 2445, 3981, 6635, 12877, 19905, 38631, 64385, 104833, 193155, 216301, 314499, 524165, 648903, 1081505, 1572495, 3244515, 17087779, 51263337, 85438895, 256316685]

約数ペア:

[(1, 256316685), (3, 85438895), (5, 51263337), (15, 17087779), (79, 3244515), (163, 1572495), (237, 1081505), (395, 648903), (489, 524165), (815, 314499), (1185, 216301), (1327, 193155), (2445, 104833), (3981, 64385), (6635, 38631), (12877, 19905)]