821399992

素因数分解:

$2^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{21227}}^1$

素因数の和:21931

約数の個数: 32

約数和(自身を含む): 1762773120

約数和(自身を除く): 941373128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 691, 1382, 2764, 4837, 5528, 9674, 19348, 21227, 38696, 42454, 84908, 148589, 169816, 297178, 594356, 1188712, 14667857, 29335714, 58671428, 102674999, 117342856, 205349998, 410699996, 821399992]

約数ペア:

[(1, 821399992), (2, 410699996), (4, 205349998), (7, 117342856), (8, 102674999), (14, 58671428), (28, 29335714), (56, 14667857), (691, 1188712), (1382, 594356), (2764, 297178), (4837, 169816), (5528, 148589), (9674, 84908), (19348, 42454), (21227, 38696)]