81277138

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{4127}}^1$

素因数の和:4401

約数の個数: 16

約数和(自身を含む): 125326080

約数和(自身を除く): 44048942

約数列:

[1, 2, 43, 86, 229, 458, 4127, 8254, 9847, 19694, 177461, 354922, 945083, 1890166, 40638569, 81277138]

約数ペア:

[(1, 81277138), (2, 40638569), (43, 1890166), (86, 945083), (229, 354922), (458, 177461), (4127, 19694), (8254, 9847)]