207966395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15761}}^1$

素因数の和:15815

約数の個数: 32

約数和(自身を含む): 317761920

約数和(自身を除く): 109795525

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2639, 13195, 15761, 78805, 110327, 204893, 457069, 551635, 1024465, 1434251, 2285345, 3199483, 5941897, 7171255, 15997415, 29709485, 41593279, 207966395]

約数ペア:

[(1, 207966395), (5, 41593279), (7, 29709485), (13, 15997415), (29, 7171255), (35, 5941897), (65, 3199483), (91, 2285345), (145, 1434251), (203, 1024465), (377, 551635), (455, 457069), (1015, 204893), (1885, 110327), (2639, 78805), (13195, 15761)]