28780524

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 83655936

約数和(自身を除く): 54875412

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 37, 41, 51, 62, 68, 74, 82, 93, 102, 111, 123, 124, 148, 153, 164, 186, 204, 222, 246, 279, 306, 333, 369, 372, 444, 492, 527, 558, 612, 629, 666, 697, 738, 1054, 1116, 1147, 1258, 1271, 1332, 1394, 1476, 1517, 1581, 1887, 2091, 2108, 2294, 2516, 2542, 2788, 3034, 3162, 3441, 3774, 3813, 4182, 4551, 4588, 4743, 5084, 5661, 6068, 6273, 6324, 6882, 7548, 7626, 8364, 9102, 9486, 10323, 11322, 11439, 12546, 13653, 13764, 15252, 18204, 18972, 19499, 20646, 21607, 22644, 22878, 25092, 25789, 27306, 38998, 41292, 43214, 45756, 47027, 51578, 54612, 58497, 64821, 77367, 77996, 86428, 94054, 103156, 116994, 129642, 141081, 154734, 175491, 188108, 194463, 232101, 233988, 259284, 282162, 309468, 350982, 388926, 423243, 464202, 564324, 701964, 777852, 799459, 846486, 928404, 1598918, 1692972, 2398377, 3197836, 4796754, 7195131, 9593508, 14390262, 28780524]

約数ペア:

[(1, 28780524), (2, 14390262), (3, 9593508), (4, 7195131), (6, 4796754), (9, 3197836), (12, 2398377), (17, 1692972), (18, 1598918), (31, 928404), (34, 846486), (36, 799459), (37, 777852), (41, 701964), (51, 564324), (62, 464202), (68, 423243), (74, 388926), (82, 350982), (93, 309468), (102, 282162), (111, 259284), (123, 233988), (124, 232101), (148, 194463), (153, 188108), (164, 175491), (186, 154734), (204, 141081), (222, 129642), (246, 116994), (279, 103156), (306, 94054), (333, 86428), (369, 77996), (372, 77367), (444, 64821), (492, 58497), (527, 54612), (558, 51578), (612, 47027), (629, 45756), (666, 43214), (697, 41292), (738, 38998), (1054, 27306), (1116, 25789), (1147, 25092), (1258, 22878), (1271, 22644), (1332, 21607), (1394, 20646), (1476, 19499), (1517, 18972), (1581, 18204), (1887, 15252), (2091, 13764), (2108, 13653), (2294, 12546), (2516, 11439), (2542, 11322), (2788, 10323), (3034, 9486), (3162, 9102), (3441, 8364), (3774, 7626), (3813, 7548), (4182, 6882), (4551, 6324), (4588, 6273), (4743, 6068), (5084, 5661)]