291213356

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{155231}}^1$

素因数の和:155309

約数の個数: 24

約数和(自身を含む): 591123456

約数和(自身を除く): 299910100

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 155231, 310462, 620924, 1086617, 2173234, 4346468, 10400477, 20800954, 41601908, 72803339, 145606678, 291213356]

約数ペア:

[(1, 291213356), (2, 145606678), (4, 72803339), (7, 41601908), (14, 20800954), (28, 10400477), (67, 4346468), (134, 2173234), (268, 1086617), (469, 620924), (938, 310462), (1876, 155231)]