220131611

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{4271}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 259737600

約数和(自身を除く): 39605989

約数列:

[1, 7, 37, 199, 259, 1393, 4271, 7363, 29897, 51541, 158027, 849929, 1106189, 5949503, 31447373, 220131611]

約数ペア:

[(1, 220131611), (7, 31447373), (37, 5949503), (199, 1106189), (259, 849929), (1393, 158027), (4271, 51541), (7363, 29897)]