31981210

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4943}}^1$

素因数の和:5597

約数の個数: 16

約数和(自身を含む): 57666816

約数和(自身を除く): 25685606

約数列:

[1, 2, 5, 10, 647, 1294, 3235, 4943, 6470, 9886, 24715, 49430, 3198121, 6396242, 15990605, 31981210]

約数ペア:

[(1, 31981210), (2, 15990605), (5, 6396242), (10, 3198121), (647, 49430), (1294, 24715), (3235, 9886), (4943, 6470)]