218219738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{66571}}^1$

素因数の和:66733

約数の個数: 16

約数和(自身を含む): 359488800

約数和(自身を除く): 141269062

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 66571, 133142, 732281, 1464562, 9919079, 19838158, 109109869, 218219738]

約数ペア:

[(1, 218219738), (2, 109109869), (11, 19838158), (22, 9919079), (149, 1464562), (298, 732281), (1639, 133142), (3278, 66571)]