199355905

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{121189}}^1$

素因数の和:121248

約数の個数: 16

約数和(自身を含む): 279221760

約数和(自身を除く): 79865855

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 121189, 605945, 848323, 4241615, 5695883, 28479415, 39871181, 199355905]

約数ペア:

[(1, 199355905), (5, 39871181), (7, 28479415), (35, 5695883), (47, 4241615), (235, 848323), (329, 605945), (1645, 121189)]