338978647

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{1201}}^1$

素因数の和:1930

約数の個数: 16

約数和(自身を含む): 394679104

約数和(自身を除く): 55700457

約数列:

[1, 7, 61, 427, 661, 1201, 4627, 8407, 40321, 73261, 282247, 512827, 793861, 5557027, 48425521, 338978647]

約数ペア:

[(1, 338978647), (7, 48425521), (61, 5557027), (427, 793861), (661, 512827), (1201, 282247), (4627, 73261), (8407, 40321)]