16998115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 21038688

約数和(自身を除く): 4040573

約数列:

[1, 5, 43, 173, 215, 457, 865, 2285, 7439, 19651, 37195, 79061, 98255, 395305, 3399623, 16998115]

約数ペア:

[(1, 16998115), (5, 3399623), (43, 395305), (173, 98255), (215, 79061), (457, 37195), (865, 19651), (2285, 7439)]