219965905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{15061}}^1$

素因数の和:15216

約数の個数: 16

約数和(自身を含む): 277622784

約数和(自身を除く): 57656879

約数列:

[1, 5, 23, 115, 127, 635, 2921, 14605, 15061, 75305, 346403, 1732015, 1912747, 9563735, 43993181, 219965905]

約数ペア:

[(1, 219965905), (5, 43993181), (23, 9563735), (115, 1912747), (127, 1732015), (635, 346403), (2921, 75305), (14605, 15061)]