211312825

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 266831136

約数和(自身を除く): 55518311

約数列:

[1, 5, 25, 113, 131, 565, 571, 655, 2825, 2855, 3275, 14275, 14803, 64523, 74015, 74801, 322615, 370075, 374005, 1613075, 1870025, 8452513, 42262565, 211312825]

約数ペア:

[(1, 211312825), (5, 42262565), (25, 8452513), (113, 1870025), (131, 1613075), (565, 374005), (571, 370075), (655, 322615), (2825, 74801), (2855, 74015), (3275, 64523), (14275, 14803)]