16639028

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3691}}^1$

素因数の和:3732

約数の個数: 36

約数和(自身を含む): 35354592

約数和(自身を除く): 18715564

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 3691, 4508, 7382, 14764, 25837, 51674, 84893, 103348, 169786, 180859, 339572, 361718, 594251, 723436, 1188502, 2377004, 4159757, 8319514, 16639028]

約数ペア:

[(1, 16639028), (2, 8319514), (4, 4159757), (7, 2377004), (14, 1188502), (23, 723436), (28, 594251), (46, 361718), (49, 339572), (92, 180859), (98, 169786), (161, 103348), (196, 84893), (322, 51674), (644, 25837), (1127, 14764), (2254, 7382), (3691, 4508)]