217521724

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{283}}^2$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 441087024

約数和(自身を除く): 223565300

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 283, 388, 566, 679, 1132, 1358, 1981, 2716, 3962, 7924, 27451, 54902, 80089, 109804, 160178, 192157, 320356, 384314, 560623, 768628, 1121246, 2242492, 7768633, 15537266, 31074532, 54380431, 108760862, 217521724]

約数ペア:

[(1, 217521724), (2, 108760862), (4, 54380431), (7, 31074532), (14, 15537266), (28, 7768633), (97, 2242492), (194, 1121246), (283, 768628), (388, 560623), (566, 384314), (679, 320356), (1132, 192157), (1358, 160178), (1981, 109804), (2716, 80089), (3962, 54902), (7924, 27451)]