857065456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{8461}}^1$

素因数の和:8969

約数の個数: 40

約数和(自身を含む): 1792183904

約数和(自身を除く): 935118448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 487, 974, 1948, 3896, 6331, 7792, 8461, 12662, 16922, 25324, 33844, 50648, 67688, 101296, 109993, 135376, 219986, 439972, 879944, 1759888, 4120507, 8241014, 16482028, 32964056, 53566591, 65928112, 107133182, 214266364, 428532728, 857065456]

約数ペア:

[(1, 857065456), (2, 428532728), (4, 214266364), (8, 107133182), (13, 65928112), (16, 53566591), (26, 32964056), (52, 16482028), (104, 8241014), (208, 4120507), (487, 1759888), (974, 879944), (1948, 439972), (3896, 219986), (6331, 135376), (7792, 109993), (8461, 101296), (12662, 67688), (16922, 50648), (25324, 33844)]