208030225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{13619}}^1$

素因数の和:13689

約数の個数: 24

約数和(自身を含む): 283731840

約数和(自身を除く): 75701615

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 13619, 15275, 68095, 177047, 340475, 640093, 885235, 3200465, 4426175, 8321209, 16002325, 41606045, 208030225]

約数ペア:

[(1, 208030225), (5, 41606045), (13, 16002325), (25, 8321209), (47, 4426175), (65, 3200465), (235, 885235), (325, 640093), (611, 340475), (1175, 177047), (3055, 68095), (13619, 15275)]