15721311208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{104369}}^1$

素因数の和:105385

約数の個数: 32

約数和(自身を含む): 31060512000

約数和(自身を除く): 15339200792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 991, 1982, 3964, 7928, 18829, 37658, 75316, 104369, 150632, 208738, 417476, 834952, 1983011, 3966022, 7932044, 15864088, 103429679, 206859358, 413718716, 827437432, 1965163901, 3930327802, 7860655604, 15721311208]

約数ペア:

[(1, 15721311208), (2, 7860655604), (4, 3930327802), (8, 1965163901), (19, 827437432), (38, 413718716), (76, 206859358), (152, 103429679), (991, 15864088), (1982, 7932044), (3964, 3966022), (7928, 1983011), (18829, 834952), (37658, 417476), (75316, 208738), (104369, 150632)]