39678289

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 54172800

約数和(自身を除く): 14494511

約数列:

[1, 7, 17, 19, 23, 49, 109, 119, 133, 161, 323, 391, 437, 763, 833, 931, 1127, 1853, 2071, 2261, 2507, 2737, 3059, 5341, 7429, 12971, 14497, 15827, 17549, 19159, 21413, 35207, 42619, 47633, 52003, 90797, 101479, 122843, 246449, 298333, 333431, 364021, 809761, 1725143, 2088331, 2334017, 5668327, 39678289]

約数ペア:

[(1, 39678289), (7, 5668327), (17, 2334017), (19, 2088331), (23, 1725143), (49, 809761), (109, 364021), (119, 333431), (133, 298333), (161, 246449), (323, 122843), (391, 101479), (437, 90797), (763, 52003), (833, 47633), (931, 42619), (1127, 35207), (1853, 21413), (2071, 19159), (2261, 17549), (2507, 15827), (2737, 14497), (3059, 12971), (5341, 7429)]