71521318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{1889}}^1$

素因数の和:3623

約数の個数: 16

約数和(自身を含む): 117164880

約数和(自身を除く): 45643562

約数列:

[1, 2, 11, 22, 1721, 1889, 3442, 3778, 18931, 20779, 37862, 41558, 3250969, 6501938, 35760659, 71521318]

約数ペア:

[(1, 71521318), (2, 35760659), (11, 6501938), (22, 3250969), (1721, 41558), (1889, 37862), (3442, 20779), (3778, 18931)]