1385772479

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{310781}}^1$

素因数の和:310815

約数の個数: 16

約数和(自身を含む): 1740379200

約数和(自身を除く): 354606721

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 310781, 2175467, 4040153, 15228269, 28281071, 106597883, 197967497, 1385772479]

約数ペア:

[(1, 1385772479), (7, 197967497), (13, 106597883), (49, 28281071), (91, 15228269), (343, 4040153), (637, 2175467), (4459, 310781)]