129413456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{351667}}^1$

素因数の和:351698

約数の個数: 20

約数和(自身を含む): 261640992

約数和(自身を除く): 132227536

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 351667, 703334, 1406668, 2813336, 5626672, 8088341, 16176682, 32353364, 64706728, 129413456]

約数ペア:

[(1, 129413456), (2, 64706728), (4, 32353364), (8, 16176682), (16, 8088341), (23, 5626672), (46, 2813336), (92, 1406668), (184, 703334), (368, 351667)]