1020221279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{217207}}^1$

素因数の和:217286

約数の個数: 16

約数和(自身を含む): 1292822016

約数和(自身を除く): 272600737

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 217207, 1520449, 2389277, 13249627, 16724939, 92747389, 145745897, 1020221279]

約数ペア:

[(1, 1020221279), (7, 145745897), (11, 92747389), (61, 16724939), (77, 13249627), (427, 2389277), (671, 1520449), (4697, 217207)]