239968397779

素因数分解:

${\mathrm{11}}^3\times {\mathrm{1999}}^1\times {\mathrm{90191}}^1$

素因数の和:92223

約数の個数: 16

約数和(自身を含む): 264082176000

約数和(自身を除く): 24113778221

約数列:

[1, 11, 121, 1331, 1999, 21989, 90191, 241879, 992101, 2660669, 10913111, 120044221, 180291809, 1983209899, 21815308889, 239968397779]

約数ペア:

[(1, 239968397779), (11, 21815308889), (121, 1983209899), (1331, 180291809), (1999, 120044221), (21989, 10913111), (90191, 2660669), (241879, 992101)]