81421118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{8147}}^1$

素因数の和:8431

約数の個数: 16

約数和(自身を含む): 129064320

約数和(自身を除く): 47643202

約数列:

[1, 2, 19, 38, 263, 526, 4997, 8147, 9994, 16294, 154793, 309586, 2142661, 4285322, 40710559, 81421118]

約数ペア:

[(1, 81421118), (2, 40710559), (19, 4285322), (38, 2142661), (263, 309586), (526, 154793), (4997, 16294), (8147, 9994)]