398439734

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2587271}}^1$

素因数の和:2587291

約数の個数: 16

約数和(自身を含む): 745134336

約数和(自身を除く): 346694602

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 2587271, 5174542, 18110897, 28459981, 36221794, 56919962, 199219867, 398439734]

約数ペア:

[(1, 398439734), (2, 199219867), (7, 56919962), (11, 36221794), (14, 28459981), (22, 18110897), (77, 5174542), (154, 2587271)]