287531288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{367}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 612057600

約数和(自身を除く): 324526312

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 307, 319, 367, 614, 638, 734, 1228, 1276, 1468, 2456, 2552, 2936, 3377, 4037, 6754, 8074, 8903, 10643, 13508, 16148, 17806, 21286, 27016, 32296, 35612, 42572, 71224, 85144, 97933, 112669, 117073, 195866, 225338, 234146, 391732, 450676, 468292, 783464, 901352, 936584, 1239359, 2478718, 3267401, 4957436, 6534802, 9914872, 13069604, 26139208, 35941411, 71882822, 143765644, 287531288]

約数ペア:

[(1, 287531288), (2, 143765644), (4, 71882822), (8, 35941411), (11, 26139208), (22, 13069604), (29, 9914872), (44, 6534802), (58, 4957436), (88, 3267401), (116, 2478718), (232, 1239359), (307, 936584), (319, 901352), (367, 783464), (614, 468292), (638, 450676), (734, 391732), (1228, 234146), (1276, 225338), (1468, 195866), (2456, 117073), (2552, 112669), (2936, 97933), (3377, 85144), (4037, 71224), (6754, 42572), (8074, 35612), (8903, 32296), (10643, 27016), (13508, 21286), (16148, 17806)]