208788588

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{11909}}^1$

素因数の和:12406

約数の個数: 36

約数和(自身を含む): 528899280

約数和(自身を除く): 320110692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1461, 1948, 2922, 4383, 5844, 8766, 11909, 17532, 23818, 35727, 47636, 71454, 107181, 142908, 214362, 428724, 5799683, 11599366, 17399049, 23198732, 34798098, 52197147, 69596196, 104394294, 208788588]

約数ペア:

[(1, 208788588), (2, 104394294), (3, 69596196), (4, 52197147), (6, 34798098), (9, 23198732), (12, 17399049), (18, 11599366), (36, 5799683), (487, 428724), (974, 214362), (1461, 142908), (1948, 107181), (2922, 71454), (4383, 47636), (5844, 35727), (8766, 23818), (11909, 17532)]