640323234

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{8191}}^1$

素因数の和:8343

約数の個数: 48

約数和(自身を含む): 1433862144

約数和(自身を除く): 793538910

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 101, 129, 202, 258, 303, 387, 606, 774, 909, 1818, 4343, 8191, 8686, 13029, 16382, 24573, 26058, 39087, 49146, 73719, 78174, 147438, 352213, 704426, 827291, 1056639, 1654582, 2113278, 2481873, 3169917, 4963746, 6339834, 7445619, 14891238, 35573513, 71147026, 106720539, 213441078, 320161617, 640323234]

約数ペア:

[(1, 640323234), (2, 320161617), (3, 213441078), (6, 106720539), (9, 71147026), (18, 35573513), (43, 14891238), (86, 7445619), (101, 6339834), (129, 4963746), (202, 3169917), (258, 2481873), (303, 2113278), (387, 1654582), (606, 1056639), (774, 827291), (909, 704426), (1818, 352213), (4343, 147438), (8191, 78174), (8686, 73719), (13029, 49146), (16382, 39087), (24573, 26058)]