28271544

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 90201600

約数和(自身を除く): 61930056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 56, 57, 68, 76, 84, 102, 114, 119, 133, 136, 152, 168, 204, 228, 238, 266, 323, 357, 399, 408, 456, 476, 521, 532, 646, 714, 798, 952, 969, 1042, 1064, 1292, 1428, 1563, 1596, 1938, 2084, 2261, 2584, 2856, 3126, 3192, 3647, 3876, 4168, 4522, 6252, 6783, 7294, 7752, 8857, 9044, 9899, 10941, 12504, 13566, 14588, 17714, 18088, 19798, 21882, 26571, 27132, 29176, 29697, 35428, 39596, 43764, 53142, 54264, 59394, 61999, 69293, 70856, 79192, 87528, 106284, 118788, 123998, 138586, 168283, 185997, 207879, 212568, 237576, 247996, 277172, 336566, 371994, 415758, 495992, 504849, 554344, 673132, 743988, 831516, 1009698, 1177981, 1346264, 1487976, 1663032, 2019396, 2355962, 3533943, 4038792, 4711924, 7067886, 9423848, 14135772, 28271544]

約数ペア:

[(1, 28271544), (2, 14135772), (3, 9423848), (4, 7067886), (6, 4711924), (7, 4038792), (8, 3533943), (12, 2355962), (14, 2019396), (17, 1663032), (19, 1487976), (21, 1346264), (24, 1177981), (28, 1009698), (34, 831516), (38, 743988), (42, 673132), (51, 554344), (56, 504849), (57, 495992), (68, 415758), (76, 371994), (84, 336566), (102, 277172), (114, 247996), (119, 237576), (133, 212568), (136, 207879), (152, 185997), (168, 168283), (204, 138586), (228, 123998), (238, 118788), (266, 106284), (323, 87528), (357, 79192), (399, 70856), (408, 69293), (456, 61999), (476, 59394), (521, 54264), (532, 53142), (646, 43764), (714, 39596), (798, 35428), (952, 29697), (969, 29176), (1042, 27132), (1064, 26571), (1292, 21882), (1428, 19798), (1563, 18088), (1596, 17714), (1938, 14588), (2084, 13566), (2261, 12504), (2584, 10941), (2856, 9899), (3126, 9044), (3192, 8857), (3647, 7752), (3876, 7294), (4168, 6783), (4522, 6252)]