78867131

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21379}}^1$

素因数の和:21434

約数の個数: 16

約数和(自身を含む): 98519040

約数和(自身を除く): 19651909

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 21379, 149653, 363443, 662749, 2544101, 4639243, 11266733, 78867131]

約数ペア:

[(1, 78867131), (7, 11266733), (17, 4639243), (31, 2544101), (119, 662749), (217, 363443), (527, 149653), (3689, 21379)]