73001999

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{541}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 86008896

約数和(自身を除く): 13006897

約数列:

[1, 7, 37, 259, 521, 541, 3647, 3787, 19277, 20017, 134939, 140119, 281861, 1973027, 10428857, 73001999]

約数ペア:

[(1, 73001999), (7, 10428857), (37, 1973027), (259, 281861), (521, 140119), (541, 134939), (3647, 20017), (3787, 19277)]