290244784

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{142837}}^1$

素因数の和:142972

約数の個数: 20

約数和(自身を含む): 566781184

約数和(自身を除く): 276536400

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 142837, 285674, 571348, 1142696, 2285392, 18140299, 36280598, 72561196, 145122392, 290244784]

約数ペア:

[(1, 290244784), (2, 145122392), (4, 72561196), (8, 36280598), (16, 18140299), (127, 2285392), (254, 1142696), (508, 571348), (1016, 285674), (2032, 142837)]