208013704

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 418334400

約数和(自身を除く): 210320696

約数列:

[1, 2, 4, 8, 37, 43, 59, 74, 86, 118, 148, 172, 236, 277, 296, 344, 472, 554, 1108, 1591, 2183, 2216, 2537, 3182, 4366, 5074, 6364, 8732, 10148, 10249, 11911, 12728, 16343, 17464, 20296, 20498, 23822, 32686, 40996, 47644, 65372, 81992, 93869, 95288, 130744, 187738, 375476, 440707, 604691, 702749, 750952, 881414, 1209382, 1405498, 1762828, 2418764, 2810996, 3525656, 4837528, 5621992, 26001713, 52003426, 104006852, 208013704]

約数ペア:

[(1, 208013704), (2, 104006852), (4, 52003426), (8, 26001713), (37, 5621992), (43, 4837528), (59, 3525656), (74, 2810996), (86, 2418764), (118, 1762828), (148, 1405498), (172, 1209382), (236, 881414), (277, 750952), (296, 702749), (344, 604691), (472, 440707), (554, 375476), (1108, 187738), (1591, 130744), (2183, 95288), (2216, 93869), (2537, 81992), (3182, 65372), (4366, 47644), (5074, 40996), (6364, 32686), (8732, 23822), (10148, 20498), (10249, 20296), (11911, 17464), (12728, 16343)]