1566240208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{17471}}^1$

素因数の和:17923

約数の個数: 40

約数和(自身を含む): 3275790336

約数和(自身を除く): 1709550128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 862, 1724, 3448, 5603, 6896, 11206, 17471, 22412, 34942, 44824, 69884, 89648, 139768, 227123, 279536, 454246, 908492, 1816984, 3633968, 7530001, 15060002, 30120004, 60240008, 97890013, 120480016, 195780026, 391560052, 783120104, 1566240208]

約数ペア:

[(1, 1566240208), (2, 783120104), (4, 391560052), (8, 195780026), (13, 120480016), (16, 97890013), (26, 60240008), (52, 30120004), (104, 15060002), (208, 7530001), (431, 3633968), (862, 1816984), (1724, 908492), (3448, 454246), (5603, 279536), (6896, 227123), (11206, 139768), (17471, 89648), (22412, 69884), (34942, 44824)]