121210012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{393539}}^1$

素因数の和:393561

約数の個数: 24

約数和(自身を含む): 264458880

約数和(自身を除く): 143248868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 393539, 787078, 1574156, 2754773, 4328929, 5509546, 8657858, 11019092, 17315716, 30302503, 60605006, 121210012]

約数ペア:

[(1, 121210012), (2, 60605006), (4, 30302503), (7, 17315716), (11, 11019092), (14, 8657858), (22, 5509546), (28, 4328929), (44, 2754773), (77, 1574156), (154, 787078), (308, 393539)]