331348745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2063}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 491000832

約数和(自身を除く): 159652087

約数列:

[1, 5, 7, 13, 35, 65, 91, 353, 455, 1765, 2063, 2471, 4589, 10315, 12355, 14441, 22945, 26819, 32123, 72205, 134095, 160615, 187733, 728239, 938665, 3641195, 5097673, 9467107, 25488365, 47335535, 66269749, 331348745]

約数ペア:

[(1, 331348745), (5, 66269749), (7, 47335535), (13, 25488365), (35, 9467107), (65, 5097673), (91, 3641195), (353, 938665), (455, 728239), (1765, 187733), (2063, 160615), (2471, 134095), (4589, 72205), (10315, 32123), (12355, 26819), (14441, 22945)]