218077808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1091}}^1$

素因数の和:1174

約数の個数: 60

約数和(自身を含む): 470610504

約数和(自身を除く): 252532696

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1091, 1612, 1922, 2182, 3224, 3844, 4364, 6448, 7688, 8728, 12493, 14183, 15376, 17456, 24986, 28366, 33821, 49972, 56732, 67642, 99944, 113464, 135284, 199888, 226928, 270568, 439673, 541136, 879346, 1048451, 1758692, 2096902, 3517384, 4193804, 7034768, 8387608, 13629863, 16775216, 27259726, 54519452, 109038904, 218077808]

約数ペア:

[(1, 218077808), (2, 109038904), (4, 54519452), (8, 27259726), (13, 16775216), (16, 13629863), (26, 8387608), (31, 7034768), (52, 4193804), (62, 3517384), (104, 2096902), (124, 1758692), (208, 1048451), (248, 879346), (403, 541136), (496, 439673), (806, 270568), (961, 226928), (1091, 199888), (1612, 135284), (1922, 113464), (2182, 99944), (3224, 67642), (3844, 56732), (4364, 49972), (6448, 33821), (7688, 28366), (8728, 24986), (12493, 17456), (14183, 15376)]