4140139394881

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{421559861}}^1$

素因数の和:421559952

約数の個数: 16

約数和(自身を含む): 5018248597248

約数和(自身を除く): 878109202367

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 421559861, 2950919027, 9695876803, 25715151521, 67871137621, 180006060647, 591448484983, 4140139394881]

約数ペア:

[(1, 4140139394881), (7, 591448484983), (23, 180006060647), (61, 67871137621), (161, 25715151521), (427, 9695876803), (1403, 2950919027), (9821, 421559861)]