291247254

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{227893}}^1$

素因数の和:227972

約数の個数: 24

約数和(自身を含む): 639926352

約数和(自身を除く): 348679098

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 227893, 455786, 683679, 1367358, 2051037, 4102074, 16180403, 32360806, 48541209, 97082418, 145623627, 291247254]

約数ペア:

[(1, 291247254), (2, 145623627), (3, 97082418), (6, 48541209), (9, 32360806), (18, 16180403), (71, 4102074), (142, 2051037), (213, 1367358), (426, 683679), (639, 455786), (1278, 227893)]