257831418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{194443}}^1$

素因数の和:194478

約数の個数: 32

約数和(自身を含む): 587998656

約数和(自身を除く): 330167238

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 194443, 388886, 583329, 1166658, 2527759, 3305531, 5055518, 6611062, 7583277, 9916593, 15166554, 19833186, 42971903, 85943806, 128915709, 257831418]

約数ペア:

[(1, 257831418), (2, 128915709), (3, 85943806), (6, 42971903), (13, 19833186), (17, 15166554), (26, 9916593), (34, 7583277), (39, 6611062), (51, 5055518), (78, 3305531), (102, 2527759), (221, 1166658), (442, 583329), (663, 388886), (1326, 194443)]