8307845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 13345920

約数和(自身を除く): 5038075

約数列:

[1, 5, 7, 13, 19, 31, 35, 65, 91, 95, 133, 155, 217, 247, 403, 455, 589, 665, 961, 1085, 1235, 1729, 2015, 2821, 2945, 4123, 4805, 6727, 7657, 8645, 12493, 14105, 18259, 20615, 33635, 38285, 53599, 62465, 87451, 91295, 127813, 237367, 267995, 437255, 639065, 1186835, 1661569, 8307845]

約数ペア:

[(1, 8307845), (5, 1661569), (7, 1186835), (13, 639065), (19, 437255), (31, 267995), (35, 237367), (65, 127813), (91, 91295), (95, 87451), (133, 62465), (155, 53599), (217, 38285), (247, 33635), (403, 20615), (455, 18259), (589, 14105), (665, 12493), (961, 8645), (1085, 7657), (1235, 6727), (1729, 4805), (2015, 4123), (2821, 2945)]