31897418

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{9533}}^1$

素因数の和:9781

約数の個数: 16

約数和(自身を含む): 54915840

約数和(自身を除く): 23018422

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 9533, 19066, 66731, 133462, 2278387, 4556774, 15948709, 31897418]

約数ペア:

[(1, 31897418), (2, 15948709), (7, 4556774), (14, 2278387), (239, 133462), (478, 66731), (1673, 19066), (3346, 9533)]