131561570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{268493}}^1$

素因数の和:268514

約数の個数: 24

約数和(自身を含む): 275474844

約数和(自身を除く): 143913274

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 268493, 536986, 1342465, 1879451, 2684930, 3758902, 9397255, 13156157, 18794510, 26312314, 65780785, 131561570]

約数ペア:

[(1, 131561570), (2, 65780785), (5, 26312314), (7, 18794510), (10, 13156157), (14, 9397255), (35, 3758902), (49, 2684930), (70, 1879451), (98, 1342465), (245, 536986), (490, 268493)]