128012956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{2267}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 236234880

約数和(自身を除く): 108221924

約数列:

[1, 2, 4, 19, 38, 76, 743, 1486, 2267, 2972, 4534, 9068, 14117, 28234, 43073, 56468, 86146, 172292, 1684381, 3368762, 6737524, 32003239, 64006478, 128012956]

約数ペア:

[(1, 128012956), (2, 64006478), (4, 32003239), (19, 6737524), (38, 3368762), (76, 1684381), (743, 172292), (1486, 86146), (2267, 56468), (2972, 43073), (4534, 28234), (9068, 14117)]