491730239

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70177}}^1$

素因数の和:70215

約数の個数: 24

約数和(自身を含む): 672024528

約数和(自身を除く): 180294289

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 70177, 491239, 771947, 912301, 3438673, 5403629, 6386107, 10035311, 37825403, 44702749, 70247177, 491730239]

約数ペア:

[(1, 491730239), (7, 70247177), (11, 44702749), (13, 37825403), (49, 10035311), (77, 6386107), (91, 5403629), (143, 3438673), (539, 912301), (637, 771947), (1001, 491239), (7007, 70177)]