72107945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 112654080

約数和(自身を除く): 40546135

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 361, 439, 455, 665, 1235, 1729, 1805, 2195, 2527, 3073, 4693, 5707, 8341, 8645, 12635, 15365, 23465, 28535, 32851, 39949, 41705, 58387, 108433, 158479, 164255, 199745, 291935, 542165, 759031, 792395, 1109353, 2060227, 3795155, 5546765, 10301135, 14421589, 72107945]

約数ペア:

[(1, 72107945), (5, 14421589), (7, 10301135), (13, 5546765), (19, 3795155), (35, 2060227), (65, 1109353), (91, 792395), (95, 759031), (133, 542165), (247, 291935), (361, 199745), (439, 164255), (455, 158479), (665, 108433), (1235, 58387), (1729, 41705), (1805, 39949), (2195, 32851), (2527, 28535), (3073, 23465), (4693, 15365), (5707, 12635), (8341, 8645)]