64863755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 90652608

約数和(自身を除く): 25788853

約数列:

[1, 5, 11, 17, 55, 85, 173, 187, 401, 865, 935, 1903, 2005, 2941, 4411, 6817, 9515, 14705, 22055, 32351, 34085, 69373, 74987, 161755, 346865, 374935, 763103, 1179341, 3815515, 5896705, 12972751, 64863755]

約数ペア:

[(1, 64863755), (5, 12972751), (11, 5896705), (17, 3815515), (55, 1179341), (85, 763103), (173, 374935), (187, 346865), (401, 161755), (865, 74987), (935, 69373), (1903, 34085), (2005, 32351), (2941, 22055), (4411, 14705), (6817, 9515)]