311926021

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 373561356

約数和(自身を除く): 61635335

約数列:

[1, 11, 19, 37, 121, 193, 209, 361, 407, 703, 2123, 2299, 3667, 3971, 4477, 7141, 7733, 13357, 23353, 40337, 43681, 69673, 78551, 85063, 135679, 146927, 443707, 766403, 864061, 1492469, 1616197, 2577901, 8430433, 16417159, 28356911, 311926021]

約数ペア:

[(1, 311926021), (11, 28356911), (19, 16417159), (37, 8430433), (121, 2577901), (193, 1616197), (209, 1492469), (361, 864061), (407, 766403), (703, 443707), (2123, 146927), (2299, 135679), (3667, 85063), (3971, 78551), (4477, 69673), (7141, 43681), (7733, 40337), (13357, 23353)]