199987634

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 389947392

約数和(自身を除く): 189959758

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 163, 217, 257, 326, 341, 434, 514, 682, 1141, 1793, 1799, 2282, 2387, 2827, 3586, 3598, 4774, 5053, 5654, 7967, 10106, 12551, 15934, 19789, 25102, 35371, 39578, 41891, 55583, 55769, 70742, 83782, 87637, 111166, 111538, 175274, 293237, 389081, 460801, 586474, 613459, 778162, 921602, 1226918, 1298621, 2597242, 3225607, 6451214, 9090347, 14284831, 18180694, 28569662, 99993817, 199987634]

約数ペア:

[(1, 199987634), (2, 99993817), (7, 28569662), (11, 18180694), (14, 14284831), (22, 9090347), (31, 6451214), (62, 3225607), (77, 2597242), (154, 1298621), (163, 1226918), (217, 921602), (257, 778162), (326, 613459), (341, 586474), (434, 460801), (514, 389081), (682, 293237), (1141, 175274), (1793, 111538), (1799, 111166), (2282, 87637), (2387, 83782), (2827, 70742), (3586, 55769), (3598, 55583), (4774, 41891), (5053, 39578), (5654, 35371), (7967, 25102), (10106, 19789), (12551, 15934)]