131499470

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{66751}}^1$

素因数の和:66955

約数の個数: 16

約数和(自身を含む): 237904128

約数和(自身を除く): 106404658

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 66751, 133502, 333755, 667510, 13149947, 26299894, 65749735, 131499470]

約数ペア:

[(1, 131499470), (2, 65749735), (5, 26299894), (10, 13149947), (197, 667510), (394, 333755), (985, 133502), (1970, 66751)]