13220690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{26981}}^1$

素因数の和:27002

約数の個数: 24

約数和(自身を含む): 27683532

約数和(自身を除く): 14462842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 26981, 53962, 134905, 188867, 269810, 377734, 944335, 1322069, 1888670, 2644138, 6610345, 13220690]

約数ペア:

[(1, 13220690), (2, 6610345), (5, 2644138), (7, 1888670), (10, 1322069), (14, 944335), (35, 377734), (49, 269810), (70, 188867), (98, 134905), (245, 53962), (490, 26981)]