12945288

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^2\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 33132240

約数和(自身を除く): 20186952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 107, 142, 213, 214, 284, 321, 426, 428, 568, 642, 852, 856, 1284, 1704, 2568, 5041, 7597, 10082, 15123, 15194, 20164, 22791, 30246, 30388, 40328, 45582, 60492, 60776, 91164, 120984, 182328, 539387, 1078774, 1618161, 2157548, 3236322, 4315096, 6472644, 12945288]

約数ペア:

[(1, 12945288), (2, 6472644), (3, 4315096), (4, 3236322), (6, 2157548), (8, 1618161), (12, 1078774), (24, 539387), (71, 182328), (107, 120984), (142, 91164), (213, 60776), (214, 60492), (284, 45582), (321, 40328), (426, 30388), (428, 30246), (568, 22791), (642, 20164), (852, 15194), (856, 15123), (1284, 10082), (1704, 7597), (2568, 5041)]