139884626

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{140729}}^1$

素因数の和:140809

約数の個数: 16

約数和(自身を含む): 243181440

約数和(自身を除く): 103296814

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 140729, 281458, 985103, 1970206, 9991759, 19983518, 69942313, 139884626]

約数ペア:

[(1, 139884626), (2, 69942313), (7, 19983518), (14, 9991759), (71, 1970206), (142, 985103), (497, 281458), (994, 140729)]