213786985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{86729}}^1$

素因数の和:86780

約数の個数: 16

約数和(自身を含む): 281005200

約数和(自身を除く): 67218215

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 86729, 433645, 1474393, 2515141, 7371965, 12575705, 42757397, 213786985]

約数ペア:

[(1, 213786985), (5, 42757397), (17, 12575705), (29, 7371965), (85, 2515141), (145, 1474393), (493, 433645), (2465, 86729)]