31980281

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 35769600

約数和(自身を除く): 3789319

約数列:

[1, 17, 23, 89, 391, 919, 1513, 2047, 15623, 21137, 34799, 81791, 359329, 1390447, 1881193, 31980281]

約数ペア:

[(1, 31980281), (17, 1881193), (23, 1390447), (89, 359329), (391, 81791), (919, 34799), (1513, 21137), (2047, 15623)]