28691245984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 62838478080

約数和(自身を除く): 34147232096

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 67, 68, 124, 134, 136, 248, 268, 272, 379, 496, 527, 536, 544, 758, 992, 1054, 1072, 1139, 1516, 2077, 2108, 2144, 2278, 3032, 4154, 4216, 4489, 4556, 6064, 6443, 8308, 8432, 8978, 9112, 11749, 12128, 12886, 16616, 16864, 17956, 18224, 23498, 25393, 25772, 33232, 35309, 35912, 36448, 46996, 50786, 51544, 66464, 70618, 71824, 76313, 93992, 101572, 103088, 139159, 141236, 143648, 152626, 187984, 199733, 203144, 206176, 278318, 282472, 305252, 375968, 399466, 406288, 431681, 556636, 564944, 610504, 787183, 798932, 812576, 863362, 1113272, 1129888, 1221008, 1574366, 1597864, 1701331, 1726724, 2226544, 2365703, 2442016, 3148732, 3195728, 3402662, 3453448, 4453088, 4731406, 6297464, 6391456, 6805324, 6906896, 9462812, 12594928, 13382111, 13610648, 13813792, 18925624, 25189856, 26764222, 27221296, 28922627, 37851248, 52741261, 53528444, 54442592, 57845254, 75702496, 105482522, 107056888, 115690508, 210965044, 214113776, 231381016, 421930088, 428227552, 462762032, 843860176, 896601437, 925524064, 1687720352, 1793202874, 3586405748, 7172811496, 14345622992, 28691245984]

約数ペア:

[(1, 28691245984), (2, 14345622992), (4, 7172811496), (8, 3586405748), (16, 1793202874), (17, 1687720352), (31, 925524064), (32, 896601437), (34, 843860176), (62, 462762032), (67, 428227552), (68, 421930088), (124, 231381016), (134, 214113776), (136, 210965044), (248, 115690508), (268, 107056888), (272, 105482522), (379, 75702496), (496, 57845254), (527, 54442592), (536, 53528444), (544, 52741261), (758, 37851248), (992, 28922627), (1054, 27221296), (1072, 26764222), (1139, 25189856), (1516, 18925624), (2077, 13813792), (2108, 13610648), (2144, 13382111), (2278, 12594928), (3032, 9462812), (4154, 6906896), (4216, 6805324), (4489, 6391456), (4556, 6297464), (6064, 4731406), (6443, 4453088), (8308, 3453448), (8432, 3402662), (8978, 3195728), (9112, 3148732), (11749, 2442016), (12128, 2365703), (12886, 2226544), (16616, 1726724), (16864, 1701331), (17956, 1597864), (18224, 1574366), (23498, 1221008), (25393, 1129888), (25772, 1113272), (33232, 863362), (35309, 812576), (35912, 798932), (36448, 787183), (46996, 610504), (50786, 564944), (51544, 556636), (66464, 431681), (70618, 406288), (71824, 399466), (76313, 375968), (93992, 305252), (101572, 282472), (103088, 278318), (139159, 206176), (141236, 203144), (143648, 199733), (152626, 187984)]