205987523

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 245145600

約数和(自身を除く): 39158077

約数列:

[1, 7, 49, 79, 127, 419, 553, 889, 2933, 3871, 6223, 10033, 20531, 33101, 53213, 70231, 231707, 372491, 491617, 1621949, 2607437, 4203827, 29426789, 205987523]

約数ペア:

[(1, 205987523), (7, 29426789), (49, 4203827), (79, 2607437), (127, 1621949), (419, 491617), (553, 372491), (889, 231707), (2933, 70231), (3871, 53213), (6223, 33101), (10033, 20531)]