78387841

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 98242560

約数和(自身を除く): 19854719

約数列:

[1, 7, 23, 29, 103, 161, 163, 203, 667, 721, 1141, 2369, 2987, 3749, 4669, 4727, 16583, 16789, 20909, 26243, 33089, 68701, 108721, 117523, 386147, 480907, 486881, 761047, 2703029, 3408167, 11198263, 78387841]

約数ペア:

[(1, 78387841), (7, 11198263), (23, 3408167), (29, 2703029), (103, 761047), (161, 486881), (163, 480907), (203, 386147), (667, 117523), (721, 108721), (1141, 68701), (2369, 33089), (2987, 26243), (3749, 20909), (4669, 16789), (4727, 16583)]