81993358

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{1009}}^1$

素因数の和:2043

約数の個数: 16

約数和(自身を含む): 126241920

約数和(自身を除く): 44248562

約数列:

[1, 2, 41, 82, 991, 1009, 1982, 2018, 40631, 41369, 81262, 82738, 999919, 1999838, 40996679, 81993358]

約数ペア:

[(1, 81993358), (2, 40996679), (41, 1999838), (82, 999919), (991, 82738), (1009, 81262), (1982, 41369), (2018, 40631)]