1631248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2422

約数の個数: 20

約数和(自身を含む): 3235408

約数和(自身を除く): 1604160

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2371, 4742, 9484, 18968, 37936, 101953, 203906, 407812, 815624, 1631248]

約数ペア:

[(1, 1631248), (2, 815624), (4, 407812), (8, 203906), (16, 101953), (43, 37936), (86, 18968), (172, 9484), (344, 4742), (688, 2371)]