657072338

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 1138287816

約数和(自身を除く): 481215478

約数列:

[1, 2, 13, 17, 26, 34, 169, 173, 221, 338, 346, 442, 661, 1322, 2249, 2873, 2941, 4498, 5746, 5882, 8593, 11237, 17186, 22474, 29237, 38233, 58474, 76466, 111709, 114353, 146081, 223418, 228706, 292162, 497029, 994058, 1486589, 1899053, 1944001, 2973178, 3798106, 3888002, 19325657, 25272013, 38651314, 50544026, 328536169, 657072338]

約数ペア:

[(1, 657072338), (2, 328536169), (13, 50544026), (17, 38651314), (26, 25272013), (34, 19325657), (169, 3888002), (173, 3798106), (221, 2973178), (338, 1944001), (346, 1899053), (442, 1486589), (661, 994058), (1322, 497029), (2249, 292162), (2873, 228706), (2941, 223418), (4498, 146081), (5746, 114353), (5882, 111709), (8593, 76466), (11237, 58474), (17186, 38233), (22474, 29237)]