15991952

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{2003}}^1$

素因数の和:2510

約数の個数: 20

約数和(自身を含む): 31062000

約数和(自身を除く): 15070048

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 2003, 3992, 4006, 7984, 8012, 16024, 32048, 999497, 1998994, 3997988, 7995976, 15991952]

約数ペア:

[(1, 15991952), (2, 7995976), (4, 3997988), (8, 1998994), (16, 999497), (499, 32048), (998, 16024), (1996, 8012), (2003, 7984), (3992, 4006)]