28210002981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 41667091200

約数和(自身を除く): 13457088219

約数列:

[1, 3, 19, 37, 57, 73, 97, 111, 219, 291, 703, 1387, 1843, 1889, 2109, 2701, 3589, 4161, 5529, 5667, 7081, 8103, 10767, 21243, 35891, 51319, 68191, 69893, 107673, 134539, 137897, 153957, 183233, 204573, 209679, 261997, 403617, 413691, 549699, 785991, 1327967, 2620043, 3481427, 3983901, 4977943, 5102189, 6779621, 7860129, 10444281, 13376009, 14933829, 15306567, 20338863, 40128027, 96941591, 128812799, 254144171, 290824773, 386438397, 494912333, 762432513, 1484736999, 9403334327, 28210002981]

約数ペア:

[(1, 28210002981), (3, 9403334327), (19, 1484736999), (37, 762432513), (57, 494912333), (73, 386438397), (97, 290824773), (111, 254144171), (219, 128812799), (291, 96941591), (703, 40128027), (1387, 20338863), (1843, 15306567), (1889, 14933829), (2109, 13376009), (2701, 10444281), (3589, 7860129), (4161, 6779621), (5529, 5102189), (5667, 4977943), (7081, 3983901), (8103, 3481427), (10767, 2620043), (21243, 1327967), (35891, 785991), (51319, 549699), (68191, 413691), (69893, 403617), (107673, 261997), (134539, 209679), (137897, 204573), (153957, 183233)]