31399690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{64081}}^1$

素因数の和:64102

約数の個数: 24

約数和(自身を含む): 65748132

約数和(自身を除く): 34348442

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 64081, 128162, 320405, 448567, 640810, 897134, 2242835, 3139969, 4485670, 6279938, 15699845, 31399690]

約数ペア:

[(1, 31399690), (2, 15699845), (5, 6279938), (7, 4485670), (10, 3139969), (14, 2242835), (35, 897134), (49, 640810), (70, 448567), (98, 320405), (245, 128162), (490, 64081)]