128518884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{883}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 351379392

約数和(自身を除く): 222860508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 311, 468, 622, 883, 933, 1244, 1766, 1866, 2649, 2799, 3532, 3732, 4043, 5298, 5598, 7947, 8086, 10596, 11196, 11479, 12129, 15894, 16172, 22958, 24258, 31788, 34437, 36387, 45916, 48516, 68874, 72774, 103311, 137748, 145548, 206622, 274613, 413244, 549226, 823839, 1098452, 1647678, 2471517, 3295356, 3569969, 4943034, 7139938, 9886068, 10709907, 14279876, 21419814, 32129721, 42839628, 64259442, 128518884]

約数ペア:

[(1, 128518884), (2, 64259442), (3, 42839628), (4, 32129721), (6, 21419814), (9, 14279876), (12, 10709907), (13, 9886068), (18, 7139938), (26, 4943034), (36, 3569969), (39, 3295356), (52, 2471517), (78, 1647678), (117, 1098452), (156, 823839), (234, 549226), (311, 413244), (468, 274613), (622, 206622), (883, 145548), (933, 137748), (1244, 103311), (1766, 72774), (1866, 68874), (2649, 48516), (2799, 45916), (3532, 36387), (3732, 34437), (4043, 31788), (5298, 24258), (5598, 22958), (7947, 16172), (8086, 15894), (10596, 12129), (11196, 11479)]