521729138

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{703139}}^1$

素因数の和:703201

約数の個数: 16

約数和(自身を含む): 911269440

約数和(自身を除く): 389540302

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 703139, 1406278, 4921973, 9843946, 37266367, 74532734, 260864569, 521729138]

約数ペア:

[(1, 521729138), (2, 260864569), (7, 74532734), (14, 37266367), (53, 9843946), (106, 4921973), (371, 1406278), (742, 703139)]