388530088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{6571}}^1$

素因数の和:6985

約数の個数: 32

約数和(自身を含む): 768924000

約数和(自身を除く): 380393912

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 389, 778, 1556, 3112, 6571, 7391, 13142, 14782, 26284, 29564, 52568, 59128, 124849, 249698, 499396, 998792, 2556119, 5112238, 10224476, 20448952, 48566261, 97132522, 194265044, 388530088]

約数ペア:

[(1, 388530088), (2, 194265044), (4, 97132522), (8, 48566261), (19, 20448952), (38, 10224476), (76, 5112238), (152, 2556119), (389, 998792), (778, 499396), (1556, 249698), (3112, 124849), (6571, 59128), (7391, 52568), (13142, 29564), (14782, 26284)]