2021966639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 2752634880

約数和(自身を除く): 730668241

約数列:

[1, 7, 11, 23, 37, 59, 77, 161, 253, 259, 407, 413, 523, 649, 851, 1357, 1771, 2183, 2849, 3661, 4543, 5753, 5957, 9361, 9499, 12029, 14927, 15281, 19351, 24013, 30857, 40271, 50209, 65527, 84203, 104489, 132319, 135457, 168091, 212861, 215999, 339427, 351463, 445073, 552299, 709711, 926233, 1141709, 1490027, 2375989, 3115511, 3866093, 4895803, 4967977, 7806821, 7991963, 12558799, 26259307, 34270621, 54647747, 87911593, 183815149, 288852377, 2021966639]

約数ペア:

[(1, 2021966639), (7, 288852377), (11, 183815149), (23, 87911593), (37, 54647747), (59, 34270621), (77, 26259307), (161, 12558799), (253, 7991963), (259, 7806821), (407, 4967977), (413, 4895803), (523, 3866093), (649, 3115511), (851, 2375989), (1357, 1490027), (1771, 1141709), (2183, 926233), (2849, 709711), (3661, 552299), (4543, 445073), (5753, 351463), (5957, 339427), (9361, 215999), (9499, 212861), (12029, 168091), (14927, 135457), (15281, 132319), (19351, 104489), (24013, 84203), (30857, 65527), (40271, 50209)]