218021818

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{99191}}^1$

素因数の和:99357

約数の個数: 16

約数和(自身を含む): 376136064

約数和(自身を除く): 158114246

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 99191, 198382, 694337, 1388674, 15572987, 31145974, 109010909, 218021818]

約数ペア:

[(1, 218021818), (2, 109010909), (7, 31145974), (14, 15572987), (157, 1388674), (314, 694337), (1099, 198382), (2198, 99191)]