289647376

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{142543}}^1$

素因数の和:142678

約数の個数: 20

約数和(自身を含む): 565614592

約数和(自身を除く): 275967216

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 142543, 285086, 570172, 1140344, 2280688, 18102961, 36205922, 72411844, 144823688, 289647376]

約数ペア:

[(1, 289647376), (2, 144823688), (4, 72411844), (8, 36205922), (16, 18102961), (127, 2280688), (254, 1140344), (508, 570172), (1016, 285086), (2032, 142543)]