158697217

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{2287}}^1$

素因数の和:2748

約数の個数: 16

約数和(自身を含む): 189775872

約数和(自身を除く): 31078655

約数列:

[1, 7, 23, 161, 431, 2287, 3017, 9913, 16009, 52601, 69391, 368207, 985697, 6899879, 22671031, 158697217]

約数ペア:

[(1, 158697217), (7, 22671031), (23, 6899879), (161, 985697), (431, 368207), (2287, 69391), (3017, 52601), (9913, 16009)]