156958412

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{232187}}^1$

素因数の和:232217

約数の個数: 18

約数和(自身を含む): 297432828

約数和(自身を除く): 140474416

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 232187, 464374, 928748, 3018431, 6036862, 12073724, 39239603, 78479206, 156958412]

約数ペア:

[(1, 156958412), (2, 78479206), (4, 39239603), (13, 12073724), (26, 6036862), (52, 3018431), (169, 928748), (338, 464374), (676, 232187)]