217435907

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{29921}}^1$

素因数の和:29990

約数の個数: 12

約数和(自身を含む): 240931944

約数和(自身を除く): 23496037

約数列:

[1, 13, 43, 169, 559, 7267, 29921, 388973, 1286603, 5056649, 16725839, 217435907]

約数ペア:

[(1, 217435907), (13, 16725839), (43, 5056649), (169, 1286603), (559, 388973), (7267, 29921)]