81520292

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{5227}}^1$

素因数の和:5795

約数の個数: 24

約数和(自身を含む): 163364544

約数和(自身を除く): 81844252

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 5227, 7798, 10454, 15596, 20908, 36589, 73178, 146356, 2911439, 5822878, 11645756, 20380073, 40760146, 81520292]

約数ペア:

[(1, 81520292), (2, 40760146), (4, 20380073), (7, 11645756), (14, 5822878), (28, 2911439), (557, 146356), (1114, 73178), (2228, 36589), (3899, 20908), (5227, 15596), (7798, 10454)]