201212809

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{3581}}^1$

素因数の和:3960

約数の個数: 16

約数和(自身を含む): 240710400

約数和(自身を除く): 39497591

約数列:

[1, 7, 23, 161, 349, 2443, 3581, 8027, 25067, 56189, 82363, 576541, 1249769, 8748383, 28744687, 201212809]

約数ペア:

[(1, 201212809), (7, 28744687), (23, 8748383), (161, 1249769), (349, 576541), (2443, 82363), (3581, 56189), (8027, 25067)]