128721642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{28643}}^1$

素因数の和:28762

約数の個数: 32

約数和(自身を含む): 296980992

約数和(自身を除く): 168259350

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 28643, 57286, 85929, 171858, 200501, 401002, 601503, 1203006, 3064801, 6129602, 9194403, 18388806, 21453607, 42907214, 64360821, 128721642]

約数ペア:

[(1, 128721642), (2, 64360821), (3, 42907214), (6, 21453607), (7, 18388806), (14, 9194403), (21, 6129602), (42, 3064801), (107, 1203006), (214, 601503), (321, 401002), (642, 200501), (749, 171858), (1498, 85929), (2247, 57286), (4494, 28643)]