1999404004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{352753}}^1$

素因数の和:352879

約数の個数: 24

約数和(自身を含む): 3802688120

約数和(自身を除く): 1803284116

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 352753, 705506, 1411012, 4585789, 9171578, 18343156, 38450077, 76900154, 153800308, 499851001, 999702002, 1999404004]

約数ペア:

[(1, 1999404004), (2, 999702002), (4, 499851001), (13, 153800308), (26, 76900154), (52, 38450077), (109, 18343156), (218, 9171578), (436, 4585789), (1417, 1411012), (2834, 705506), (5668, 352753)]