255501025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3433}}^1$

素因数の和:3685

約数の個数: 24

約数和(自身を含む): 342781880

約数和(自身を除く): 87280855

約数列:

[1, 5, 13, 25, 65, 229, 325, 1145, 2977, 3433, 5725, 14885, 17165, 44629, 74425, 85825, 223145, 786157, 1115725, 3930785, 10220041, 19653925, 51100205, 255501025]

約数ペア:

[(1, 255501025), (5, 51100205), (13, 19653925), (25, 10220041), (65, 3930785), (229, 1115725), (325, 786157), (1145, 223145), (2977, 85825), (3433, 74425), (5725, 44629), (14885, 17165)]