199137979

素因数分解:

${\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 211252032

約数和(自身を除く): 12114053

約数列:

[1, 23, 113, 193, 397, 2599, 4439, 9131, 21809, 44861, 76621, 501607, 1031803, 1762283, 8658173, 199137979]

約数ペア:

[(1, 199137979), (23, 8658173), (113, 1762283), (193, 1031803), (397, 501607), (2599, 76621), (4439, 44861), (9131, 21809)]