407942794

素因数分解:

$2^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{20477}}^1$

素因数の和:21909

約数の個数: 16

約数和(自身を含む): 699856128

約数和(自身を除く): 291913334

約数列:

[1, 2, 7, 14, 1423, 2846, 9961, 19922, 20477, 40954, 143339, 286678, 29138771, 58277542, 203971397, 407942794]

約数ペア:

[(1, 407942794), (2, 203971397), (7, 58277542), (14, 29138771), (1423, 286678), (2846, 143339), (9961, 40954), (19922, 20477)]