390448

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1092

約数の個数: 20

約数和(自身を含む): 790128

約数和(自身を除く): 399680

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1061, 2122, 4244, 8488, 16976, 24403, 48806, 97612, 195224, 390448]

約数ペア:

[(1, 390448), (2, 195224), (4, 97612), (8, 48806), (16, 24403), (23, 16976), (46, 8488), (92, 4244), (184, 2122), (368, 1061)]