71721521

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3109}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 80611200

約数和(自身を除く): 8889679

約数列:

[1, 17, 23, 59, 391, 1003, 1357, 3109, 23069, 52853, 71507, 183431, 1215619, 3118327, 4218913, 71721521]

約数ペア:

[(1, 71721521), (17, 4218913), (23, 3118327), (59, 1215619), (391, 183431), (1003, 71507), (1357, 52853), (3109, 23069)]