219364705

素因数分解:

$5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{21391}}^1$

素因数の和:21696

約数の個数: 16

約数和(自身を含む): 301883904

約数和(自身を除く): 82519199

約数列:

[1, 5, 7, 35, 293, 1465, 2051, 10255, 21391, 106955, 149737, 748685, 6267563, 31337815, 43872941, 219364705]

約数ペア:

[(1, 219364705), (5, 43872941), (7, 31337815), (35, 6267563), (293, 748685), (1465, 149737), (2051, 106955), (10255, 21391)]