16681658

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 33598080

約数和(自身を除く): 16916422

約数列:

[1, 2, 7, 14, 17, 19, 31, 34, 38, 49, 62, 98, 119, 133, 217, 238, 266, 289, 323, 434, 527, 578, 589, 646, 833, 931, 1054, 1178, 1519, 1666, 1862, 2023, 2261, 3038, 3689, 4046, 4123, 4522, 5491, 7378, 8246, 8959, 10013, 10982, 14161, 15827, 17918, 20026, 25823, 28322, 28861, 31654, 38437, 51646, 57722, 62713, 70091, 76874, 125426, 140182, 170221, 269059, 340442, 438991, 490637, 538118, 877982, 981274, 1191547, 2383094, 8340829, 16681658]

約数ペア:

[(1, 16681658), (2, 8340829), (7, 2383094), (14, 1191547), (17, 981274), (19, 877982), (31, 538118), (34, 490637), (38, 438991), (49, 340442), (62, 269059), (98, 170221), (119, 140182), (133, 125426), (217, 76874), (238, 70091), (266, 62713), (289, 57722), (323, 51646), (434, 38437), (527, 31654), (578, 28861), (589, 28322), (646, 25823), (833, 20026), (931, 17918), (1054, 15827), (1178, 14161), (1519, 10982), (1666, 10013), (1862, 8959), (2023, 8246), (2261, 7378), (3038, 5491), (3689, 4522), (4046, 4123)]