66729208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 156280320

約数和(自身を除く): 89551112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1291, 1846, 1988, 2582, 3692, 3976, 5164, 6461, 7384, 9037, 10328, 12922, 16783, 18074, 25844, 33566, 36148, 51688, 67132, 72296, 91661, 117481, 134264, 183322, 234962, 366644, 469924, 641627, 733288, 939848, 1191593, 1283254, 2383186, 2566508, 4766372, 5133016, 8341151, 9532744, 16682302, 33364604, 66729208]

約数ペア:

[(1, 66729208), (2, 33364604), (4, 16682302), (7, 9532744), (8, 8341151), (13, 5133016), (14, 4766372), (26, 2566508), (28, 2383186), (52, 1283254), (56, 1191593), (71, 939848), (91, 733288), (104, 641627), (142, 469924), (182, 366644), (284, 234962), (364, 183322), (497, 134264), (568, 117481), (728, 91661), (923, 72296), (994, 67132), (1291, 51688), (1846, 36148), (1988, 33566), (2582, 25844), (3692, 18074), (3976, 16783), (5164, 12922), (6461, 10328), (7384, 9037)]