78881887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21383}}^1$

素因数の和:21438

約数の個数: 16

約数和(自身を含む): 98537472

約数和(自身を除く): 19655585

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 21383, 149681, 363511, 662873, 2544577, 4640111, 11268841, 78881887]

約数ペア:

[(1, 78881887), (7, 11268841), (17, 4640111), (31, 2544577), (119, 662873), (217, 363511), (527, 149681), (3689, 21383)]