127720906

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{2243}}^1$

素因数の和:2717

約数の個数: 16

約数和(自身を含む): 194851008

約数和(自身を除く): 67130102

約数列:

[1, 2, 71, 142, 401, 802, 2243, 4486, 28471, 56942, 159253, 318506, 899443, 1798886, 63860453, 127720906]

約数ペア:

[(1, 127720906), (2, 63860453), (71, 1798886), (142, 899443), (401, 318506), (802, 159253), (2243, 56942), (4486, 28471)]