31917790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 60803136

約数和(自身を除く): 28885346

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1679, 1901, 3358, 3802, 8395, 9505, 16790, 19010, 43723, 87446, 138773, 218615, 277546, 437230, 693865, 1387730, 3191779, 6383558, 15958895, 31917790]

約数ペア:

[(1, 31917790), (2, 15958895), (5, 6383558), (10, 3191779), (23, 1387730), (46, 693865), (73, 437230), (115, 277546), (146, 218615), (230, 138773), (365, 87446), (730, 43723), (1679, 19010), (1901, 16790), (3358, 9505), (3802, 8395)]