71840461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1451}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 89768448

約数和(自身を除く): 17927987

約数列:

[1, 7, 11, 77, 643, 1451, 4501, 7073, 10157, 15961, 49511, 111727, 932993, 6530951, 10262923, 71840461]

約数ペア:

[(1, 71840461), (7, 10262923), (11, 6530951), (77, 932993), (643, 111727), (1451, 49511), (4501, 15961), (7073, 10157)]