39690118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 66350592

約数和(自身を除く): 26660474

約数列:

[1, 2, 13, 26, 43, 86, 131, 262, 271, 542, 559, 1118, 1703, 3406, 3523, 5633, 7046, 11266, 11653, 23306, 35501, 71002, 73229, 146458, 151489, 302978, 461513, 923026, 1526543, 3053086, 19845059, 39690118]

約数ペア:

[(1, 39690118), (2, 19845059), (13, 3053086), (26, 1526543), (43, 923026), (86, 461513), (131, 302978), (262, 151489), (271, 146458), (542, 73229), (559, 71002), (1118, 35501), (1703, 23306), (3406, 11653), (3523, 11266), (5633, 7046)]