1387841728

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7750

約数の個数: 112

約数和(自身を含む): 3499331584

約数和(自身を除く): 2111489856

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 992, 1456, 1612, 1736, 1984, 2821, 2912, 3224, 3472, 5642, 5824, 6448, 6944, 7687, 11284, 12896, 13888, 15374, 22568, 25792, 30748, 45136, 53809, 61496, 90272, 99931, 107618, 122992, 180544, 199862, 215236, 238297, 245984, 399724, 430472, 476594, 491968, 699517, 799448, 860944, 953188, 1399034, 1598896, 1668079, 1721888, 1906376, 2798068, 3097861, 3197792, 3336158, 3443776, 3812752, 5596136, 6195722, 6395584, 6672316, 7625504, 11192272, 12391444, 13344632, 15251008, 21685027, 22384544, 24782888, 26689264, 43370054, 44769088, 49565776, 53378528, 86740108, 99131552, 106757056, 173480216, 198263104, 346960432, 693920864, 1387841728]

約数ペア:

[(1, 1387841728), (2, 693920864), (4, 346960432), (7, 198263104), (8, 173480216), (13, 106757056), (14, 99131552), (16, 86740108), (26, 53378528), (28, 49565776), (31, 44769088), (32, 43370054), (52, 26689264), (56, 24782888), (62, 22384544), (64, 21685027), (91, 15251008), (104, 13344632), (112, 12391444), (124, 11192272), (182, 7625504), (208, 6672316), (217, 6395584), (224, 6195722), (248, 5596136), (364, 3812752), (403, 3443776), (416, 3336158), (434, 3197792), (448, 3097861), (496, 2798068), (728, 1906376), (806, 1721888), (832, 1668079), (868, 1598896), (992, 1399034), (1456, 953188), (1612, 860944), (1736, 799448), (1984, 699517), (2821, 491968), (2912, 476594), (3224, 430472), (3472, 399724), (5642, 245984), (5824, 238297), (6448, 215236), (6944, 199862), (7687, 180544), (11284, 122992), (12896, 107618), (13888, 99931), (15374, 90272), (22568, 61496), (25792, 53809), (30748, 45136)]