128550916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{4391}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 242754624

約数和(自身を除く): 114203708

約数列:

[1, 2, 4, 13, 26, 52, 563, 1126, 2252, 4391, 7319, 8782, 14638, 17564, 29276, 57083, 114166, 228332, 2472133, 4944266, 9888532, 32137729, 64275458, 128550916]

約数ペア:

[(1, 128550916), (2, 64275458), (4, 32137729), (13, 9888532), (26, 4944266), (52, 2472133), (563, 228332), (1126, 114166), (2252, 57083), (4391, 29276), (7319, 17564), (8782, 14638)]