218145565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{84389}}^1$

素因数の和:84452

約数の個数: 16

約数和(自身を含む): 291651840

約数和(自身を除く): 73506275

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 84389, 421945, 928279, 3966283, 4641395, 19831415, 43629113, 218145565]

約数ペア:

[(1, 218145565), (5, 43629113), (11, 19831415), (47, 4641395), (55, 3966283), (235, 928279), (517, 421945), (2585, 84389)]