39136979

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 49728000

約数和(自身を除く): 10591021

約数列:

[1, 7, 19, 29, 73, 133, 139, 203, 511, 551, 973, 1387, 2117, 2641, 3857, 4031, 9709, 10147, 14819, 18487, 28217, 40223, 71029, 76589, 192793, 281561, 294263, 536123, 1349551, 2059841, 5590997, 39136979]

約数ペア:

[(1, 39136979), (7, 5590997), (19, 2059841), (29, 1349551), (73, 536123), (133, 294263), (139, 281561), (203, 192793), (511, 76589), (551, 71029), (973, 40223), (1387, 28217), (2117, 18487), (2641, 14819), (3857, 10147), (4031, 9709)]