128193768

素因数分解:

$2^3\times 3^2\times {\mathrm{1780469}}^1$

素因数の和:1780481

約数の個数: 24

約数和(自身を含む): 347191650

約数和(自身を除く): 218997882

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1780469, 3560938, 5341407, 7121876, 10682814, 14243752, 16024221, 21365628, 32048442, 42731256, 64096884, 128193768]

約数ペア:

[(1, 128193768), (2, 64096884), (3, 42731256), (4, 32048442), (6, 21365628), (8, 16024221), (9, 14243752), (12, 10682814), (18, 7121876), (24, 5341407), (36, 3560938), (72, 1780469)]