521509538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 863229312

約数和(自身を除く): 341719774

約数列:

[1, 2, 11, 22, 173, 263, 346, 521, 526, 1042, 1903, 2893, 3806, 5731, 5786, 11462, 45499, 90133, 90998, 137023, 180266, 274046, 500489, 991463, 1000978, 1507253, 1982926, 3014506, 23704979, 47409958, 260754769, 521509538]

約数ペア:

[(1, 521509538), (2, 260754769), (11, 47409958), (22, 23704979), (173, 3014506), (263, 1982926), (346, 1507253), (521, 1000978), (526, 991463), (1042, 500489), (1903, 274046), (2893, 180266), (3806, 137023), (5731, 90998), (5786, 90133), (11462, 45499)]