1973881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 2464000

約数和(自身を除く): 490119

約数列:

[1, 7, 13, 91, 109, 199, 763, 1393, 1417, 2587, 9919, 18109, 21691, 151837, 281983, 1973881]

約数ペア:

[(1, 1973881), (7, 281983), (13, 151837), (91, 21691), (109, 18109), (199, 9919), (763, 2587), (1393, 1417)]