200891131

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 245008800

約数和(自身を除く): 44117669

約数列:

[1, 7, 23, 49, 161, 397, 449, 1127, 2779, 3143, 9131, 10327, 19453, 22001, 63917, 72289, 178253, 447419, 506023, 1247771, 4099819, 8734397, 28698733, 200891131]

約数ペア:

[(1, 200891131), (7, 28698733), (23, 8734397), (49, 4099819), (161, 1247771), (397, 506023), (449, 447419), (1127, 178253), (2779, 72289), (3143, 63917), (9131, 22001), (10327, 19453)]