72139109

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26357}}^1$

素因数の和:26404

約数の個数: 16

約数和(自身を含む): 91093248

約数和(自身を除く): 18954139

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 26357, 184499, 448069, 606211, 3136483, 4243477, 10305587, 72139109]

約数ペア:

[(1, 72139109), (7, 10305587), (17, 4243477), (23, 3136483), (119, 606211), (161, 448069), (391, 184499), (2737, 26357)]