213320807

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{7963}}^1$

素因数の和:8102

約数の個数: 16

約数和(自身を含む): 252299520

約数和(自身を除く): 38978713

約数列:

[1, 7, 43, 89, 301, 623, 3827, 7963, 26789, 55741, 342409, 708707, 2396863, 4960949, 30474401, 213320807]

約数ペア:

[(1, 213320807), (7, 30474401), (43, 4960949), (89, 2396863), (301, 708707), (623, 342409), (3827, 55741), (7963, 26789)]