208689208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1657}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 484666560

約数和(自身を除く): 275977352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 173, 182, 346, 364, 692, 728, 1211, 1384, 1657, 2249, 2422, 3314, 4498, 4844, 6628, 8996, 9688, 11599, 13256, 15743, 17992, 21541, 23198, 31486, 43082, 46396, 62972, 86164, 92792, 125944, 150787, 172328, 286661, 301574, 573322, 603148, 1146644, 1206296, 2006627, 2293288, 3726593, 4013254, 7453186, 8026508, 14906372, 16053016, 26086151, 29812744, 52172302, 104344604, 208689208]

約数ペア:

[(1, 208689208), (2, 104344604), (4, 52172302), (7, 29812744), (8, 26086151), (13, 16053016), (14, 14906372), (26, 8026508), (28, 7453186), (52, 4013254), (56, 3726593), (91, 2293288), (104, 2006627), (173, 1206296), (182, 1146644), (346, 603148), (364, 573322), (692, 301574), (728, 286661), (1211, 172328), (1384, 150787), (1657, 125944), (2249, 92792), (2422, 86164), (3314, 62972), (4498, 46396), (4844, 43082), (6628, 31486), (8996, 23198), (9688, 21541), (11599, 17992), (13256, 15743)]