72687839

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2557}}^1$

素因数の和:2726

約数の個数: 16

約数和(自身を含む): 86439936

約数和(自身を除く): 13752097

約数列:

[1, 7, 31, 131, 217, 917, 2557, 4061, 17899, 28427, 79267, 334967, 554869, 2344769, 10383977, 72687839]

約数ペア:

[(1, 72687839), (7, 10383977), (31, 2344769), (131, 554869), (217, 334967), (917, 79267), (2557, 28427), (4061, 17899)]