72487919

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 84268800

約数和(自身を除く): 11780881

約数列:

[1, 7, 89, 307, 379, 623, 2149, 2653, 27323, 33731, 116353, 191261, 236117, 814471, 10355417, 72487919]

約数ペア:

[(1, 72487919), (7, 10355417), (89, 814471), (307, 236117), (379, 191261), (623, 116353), (2149, 33731), (2653, 27323)]