219488406

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{515231}}^1$

素因数の和:515307

約数の個数: 16

約数和(自身を含む): 445160448

約数和(自身を除く): 225672042

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 515231, 1030462, 1545693, 3091386, 36581401, 73162802, 109744203, 219488406]

約数ペア:

[(1, 219488406), (2, 109744203), (3, 73162802), (6, 36581401), (71, 3091386), (142, 1545693), (213, 1030462), (426, 515231)]