12978170

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9907}}^1$

素因数の和:10045

約数の個数: 16

約数和(自身を含む): 23541408

約数和(自身を除く): 10563238

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 9907, 19814, 49535, 99070, 1297817, 2595634, 6489085, 12978170]

約数ペア:

[(1, 12978170), (2, 6489085), (5, 2595634), (10, 1297817), (131, 99070), (262, 49535), (655, 19814), (1310, 9907)]