123489136

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{105727}}^1$

素因数の和:105808

約数の個数: 20

約数和(自身を含む): 242540032

約数和(自身を除く): 119050896

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 105727, 211454, 422908, 845816, 1691632, 7718071, 15436142, 30872284, 61744568, 123489136]

約数ペア:

[(1, 123489136), (2, 61744568), (4, 30872284), (8, 15436142), (16, 7718071), (73, 1691632), (146, 845816), (292, 422908), (584, 211454), (1168, 105727)]