78884272

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{38821}}^1$

素因数の和:38956

約数の個数: 20

約数和(自身を含む): 154045696

約数和(自身を除く): 75161424

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 38821, 77642, 155284, 310568, 621136, 4930267, 9860534, 19721068, 39442136, 78884272]

約数ペア:

[(1, 78884272), (2, 39442136), (4, 19721068), (8, 9860534), (16, 4930267), (127, 621136), (254, 310568), (508, 155284), (1016, 77642), (2032, 38821)]