28784868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 82059264

約数和(自身を除く): 53274396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 276, 282, 317, 322, 329, 483, 564, 634, 644, 658, 951, 966, 987, 1081, 1268, 1316, 1902, 1932, 1974, 2162, 2219, 3243, 3804, 3948, 4324, 4438, 6486, 6657, 7291, 7567, 8876, 12972, 13314, 14582, 14899, 15134, 21873, 22701, 26628, 29164, 29798, 30268, 43746, 44697, 45402, 51037, 59596, 87492, 89394, 90804, 102074, 104293, 153111, 178788, 204148, 208586, 306222, 312879, 342677, 417172, 612444, 625758, 685354, 1028031, 1251516, 1370708, 2056062, 2398739, 4112124, 4797478, 7196217, 9594956, 14392434, 28784868]

約数ペア:

[(1, 28784868), (2, 14392434), (3, 9594956), (4, 7196217), (6, 4797478), (7, 4112124), (12, 2398739), (14, 2056062), (21, 1370708), (23, 1251516), (28, 1028031), (42, 685354), (46, 625758), (47, 612444), (69, 417172), (84, 342677), (92, 312879), (94, 306222), (138, 208586), (141, 204148), (161, 178788), (188, 153111), (276, 104293), (282, 102074), (317, 90804), (322, 89394), (329, 87492), (483, 59596), (564, 51037), (634, 45402), (644, 44697), (658, 43746), (951, 30268), (966, 29798), (987, 29164), (1081, 26628), (1268, 22701), (1316, 21873), (1902, 15134), (1932, 14899), (1974, 14582), (2162, 13314), (2219, 12972), (3243, 8876), (3804, 7567), (3948, 7291), (4324, 6657), (4438, 6486)]