339940055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1381}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 503357568

約数和(自身を除く): 163417513

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 541, 1381, 2705, 3787, 6905, 7033, 9667, 17953, 18935, 35165, 48335, 49231, 89765, 125671, 246155, 628355, 747121, 3735605, 5229847, 9712573, 26149235, 48562865, 67988011, 339940055]

約数ペア:

[(1, 339940055), (5, 67988011), (7, 48562865), (13, 26149235), (35, 9712573), (65, 5229847), (91, 3735605), (455, 747121), (541, 628355), (1381, 246155), (2705, 125671), (3787, 89765), (6905, 49231), (7033, 48335), (9667, 35165), (17953, 18935)]