128856706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{21613}}^1$

素因数の和:21897

約数の個数: 16

約数和(自身を含む): 211644288

約数和(自身を除く): 82787582

約数列:

[1, 2, 11, 22, 271, 542, 2981, 5962, 21613, 43226, 237743, 475486, 5857123, 11714246, 64428353, 128856706]

約数ペア:

[(1, 128856706), (2, 64428353), (11, 11714246), (22, 5857123), (271, 475486), (542, 237743), (2981, 43226), (5962, 21613)]