28140216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 82252800

約数和(自身を除く): 54112584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 47, 52, 57, 76, 78, 94, 101, 104, 114, 141, 152, 156, 188, 202, 228, 247, 282, 303, 312, 376, 404, 456, 494, 564, 606, 611, 741, 808, 893, 988, 1128, 1212, 1222, 1313, 1482, 1786, 1833, 1919, 1976, 2424, 2444, 2626, 2679, 2964, 3572, 3666, 3838, 3939, 4747, 4888, 5252, 5358, 5757, 5928, 7144, 7332, 7676, 7878, 9494, 10504, 10716, 11514, 11609, 14241, 14664, 15352, 15756, 18988, 21432, 23028, 23218, 24947, 28482, 31512, 34827, 37976, 46056, 46436, 49894, 56964, 61711, 69654, 74841, 90193, 92872, 99788, 113928, 123422, 139308, 149682, 180386, 185133, 199576, 246844, 270579, 278616, 299364, 360772, 370266, 493688, 541158, 598728, 721544, 740532, 1082316, 1172509, 1481064, 2164632, 2345018, 3517527, 4690036, 7035054, 9380072, 14070108, 28140216]

約数ペア:

[(1, 28140216), (2, 14070108), (3, 9380072), (4, 7035054), (6, 4690036), (8, 3517527), (12, 2345018), (13, 2164632), (19, 1481064), (24, 1172509), (26, 1082316), (38, 740532), (39, 721544), (47, 598728), (52, 541158), (57, 493688), (76, 370266), (78, 360772), (94, 299364), (101, 278616), (104, 270579), (114, 246844), (141, 199576), (152, 185133), (156, 180386), (188, 149682), (202, 139308), (228, 123422), (247, 113928), (282, 99788), (303, 92872), (312, 90193), (376, 74841), (404, 69654), (456, 61711), (494, 56964), (564, 49894), (606, 46436), (611, 46056), (741, 37976), (808, 34827), (893, 31512), (988, 28482), (1128, 24947), (1212, 23218), (1222, 23028), (1313, 21432), (1482, 18988), (1786, 15756), (1833, 15352), (1919, 14664), (1976, 14241), (2424, 11609), (2444, 11514), (2626, 10716), (2679, 10504), (2964, 9494), (3572, 7878), (3666, 7676), (3838, 7332), (3939, 7144), (4747, 5928), (4888, 5757), (5252, 5358)]