199418978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127669}}^1$

素因数の和:127753

約数の個数: 16

約数和(自身を含む): 330920640

約数和(自身を除く): 131501662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 127669, 255338, 1404359, 2808718, 9064499, 18128998, 99709489, 199418978]

約数ペア:

[(1, 199418978), (2, 99709489), (11, 18128998), (22, 9064499), (71, 2808718), (142, 1404359), (781, 255338), (1562, 127669)]