204642008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{3461}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 405054000

約数和(自身を除く): 200411992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 389, 778, 1556, 3112, 3461, 6922, 7391, 13844, 14782, 27688, 29564, 59128, 65759, 131518, 263036, 526072, 1346329, 2692658, 5385316, 10770632, 25580251, 51160502, 102321004, 204642008]

約数ペア:

[(1, 204642008), (2, 102321004), (4, 51160502), (8, 25580251), (19, 10770632), (38, 5385316), (76, 2692658), (152, 1346329), (389, 526072), (778, 263036), (1556, 131518), (3112, 65759), (3461, 59128), (6922, 29564), (7391, 27688), (13844, 14782)]