128663810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3761}}^1$

素因数の和:4090

約数の個数: 32

約数和(自身を含む): 253528704

約数和(自身を除く): 124864894

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 1555, 3110, 3421, 3761, 6842, 7522, 17105, 18805, 34210, 37610, 41371, 82742, 206855, 413710, 1169671, 2339342, 5848355, 11696710, 12866381, 25732762, 64331905, 128663810]

約数ペア:

[(1, 128663810), (2, 64331905), (5, 25732762), (10, 12866381), (11, 11696710), (22, 5848355), (55, 2339342), (110, 1169671), (311, 413710), (622, 206855), (1555, 82742), (3110, 41371), (3421, 37610), (3761, 34210), (6842, 18805), (7522, 17105)]