1261497716

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{1091261}}^1$

素因数の和:1091299

約数の個数: 18

約数和(自身を含む): 2345122038

約数和(自身を除く): 1083624322

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 1091261, 2182522, 4365044, 18551437, 37102874, 74205748, 315374429, 630748858, 1261497716]

約数ペア:

[(1, 1261497716), (2, 630748858), (4, 315374429), (17, 74205748), (34, 37102874), (68, 18551437), (289, 4365044), (578, 2182522), (1156, 1091261)]