278152014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2641

約数の個数: 64

約数和(自身を含む): 662418432

約数和(自身を除く): 384266418

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 71, 74, 111, 142, 213, 222, 259, 426, 497, 518, 777, 994, 1491, 1554, 2521, 2627, 2982, 5042, 5254, 7563, 7881, 15126, 15762, 17647, 18389, 35294, 36778, 52941, 55167, 93277, 105882, 110334, 178991, 186554, 279831, 357982, 536973, 559662, 652939, 1073946, 1252937, 1305878, 1958817, 2505874, 3758811, 3917634, 6622667, 7517622, 13245334, 19868001, 39736002, 46358669, 92717338, 139076007, 278152014]

約数ペア:

[(1, 278152014), (2, 139076007), (3, 92717338), (6, 46358669), (7, 39736002), (14, 19868001), (21, 13245334), (37, 7517622), (42, 6622667), (71, 3917634), (74, 3758811), (111, 2505874), (142, 1958817), (213, 1305878), (222, 1252937), (259, 1073946), (426, 652939), (497, 559662), (518, 536973), (777, 357982), (994, 279831), (1491, 186554), (1554, 178991), (2521, 110334), (2627, 105882), (2982, 93277), (5042, 55167), (5254, 52941), (7563, 36778), (7881, 35294), (15126, 18389), (15762, 17647)]