219977465

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{6277}}^1$

素因数の和:6488

約数の個数: 16

約数和(自身を含む): 271812288

約数和(自身を除く): 51834823

約数列:

[1, 5, 43, 163, 215, 815, 6277, 7009, 31385, 35045, 269911, 1023151, 1349555, 5115755, 43995493, 219977465]

約数ペア:

[(1, 219977465), (5, 43995493), (43, 5115755), (163, 1349555), (215, 1023151), (815, 269911), (6277, 35045), (7009, 31385)]