77778145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 103420800

約数和(自身を除く): 25642655

約数列:

[1, 5, 17, 29, 85, 139, 145, 227, 493, 695, 1135, 2363, 2465, 3859, 4031, 6583, 11815, 19295, 20155, 31553, 32915, 68527, 111911, 157765, 342635, 536401, 559555, 915037, 2682005, 4575185, 15555629, 77778145]

約数ペア:

[(1, 77778145), (5, 15555629), (17, 4575185), (29, 2682005), (85, 915037), (139, 559555), (145, 536401), (227, 342635), (493, 157765), (695, 111911), (1135, 68527), (2363, 32915), (2465, 31553), (3859, 20155), (4031, 19295), (6583, 11815)]