621142319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 781516800

約数和(自身を除く): 160374481

約数列:

[1, 7, 19, 31, 79, 133, 217, 553, 589, 1501, 1907, 2449, 4123, 10507, 13349, 17143, 36233, 46531, 59117, 150653, 253631, 325717, 413819, 1054571, 1123223, 2862407, 4670243, 7862561, 20036849, 32691701, 88734617, 621142319]

約数ペア:

[(1, 621142319), (7, 88734617), (19, 32691701), (31, 20036849), (79, 7862561), (133, 4670243), (217, 2862407), (553, 1123223), (589, 1054571), (1501, 413819), (1907, 325717), (2449, 253631), (4123, 150653), (10507, 59117), (13349, 46531), (17143, 36233)]